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Finding the Fourth Proportional to 16,995.55, 25,496.97 and 7,129.14

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Solution

The fourth proportional to 16,995.55, 25,496.97 and 7,129.14 is: 10,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.55 : 25,496.97 = 7,129.14 : x
  2. Step 2: Convert to fraction form
    16,995.55/25,496.97 = 7,129.14/x
  3. Step 3: Cross multiply
    16,995.55x = 25,496.97 × 7,129.14
  4. Step 4: Simplify right side
    16,995.55x = 181,771,305.58
  5. Step 5: Solve for x
    x = 181,771,305.58/16,995.55
  6. Step 6: Final answer
    x = 10,695.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.