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Finding the Fourth Proportional to 18,087.03, 24,960.03 and 10,129.23

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Solution

The fourth proportional to 18,087.03, 24,960.03 and 10,129.23 is: 13,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.03 : 24,960.03 = 10,129.23 : x
  2. Step 2: Convert to fraction form
    18,087.03/24,960.03 = 10,129.23/x
  3. Step 3: Cross multiply
    18,087.03x = 24,960.03 × 10,129.23
  4. Step 4: Simplify right side
    18,087.03x = 252,825,884.68
  5. Step 5: Solve for x
    x = 252,825,884.68/18,087.03
  6. Step 6: Final answer
    x = 13,978.30

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Half scale
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Double scale
Find fourth proportional to 18,088.03, 24,961.41 and 10,130.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.