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Finding the Fourth Proportional to 18,600.71, 27,903.65 and 9,836.24

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Solution

The fourth proportional to 18,600.71, 27,903.65 and 9,836.24 is: 14,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.71 : 27,903.65 = 9,836.24 : x
  2. Step 2: Convert to fraction form
    18,600.71/27,903.65 = 9,836.24/x
  3. Step 3: Cross multiply
    18,600.71x = 27,903.65 × 9,836.24
  4. Step 4: Simplify right side
    18,600.71x = 274,466,809.58
  5. Step 5: Solve for x
    x = 274,466,809.58/18,600.71
  6. Step 6: Final answer
    x = 14,755.72

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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.