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Finding the Fourth Proportional to 18,250.76, 25,186.02 and 9,867.26

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Solution

The fourth proportional to 18,250.76, 25,186.02 and 9,867.26 is: 13,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.76 : 25,186.02 = 9,867.26 : x
  2. Step 2: Convert to fraction form
    18,250.76/25,186.02 = 9,867.26/x
  3. Step 3: Cross multiply
    18,250.76x = 25,186.02 × 9,867.26
  4. Step 4: Simplify right side
    18,250.76x = 248,517,007.71
  5. Step 5: Solve for x
    x = 248,517,007.71/18,250.76
  6. Step 6: Final answer
    x = 13,616.80

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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.