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Finding the Fourth Proportional to 27,073.43, 40,617.06 and 10,428.99

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Solution

The fourth proportional to 27,073.43, 40,617.06 and 10,428.99 is: 15,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,073.43 : 40,617.06 = 10,428.99 : x
  2. Step 2: Convert to fraction form
    27,073.43/40,617.06 = 10,428.99/x
  3. Step 3: Cross multiply
    27,073.43x = 40,617.06 × 10,428.99
  4. Step 4: Simplify right side
    27,073.43x = 423,594,912.57
  5. Step 5: Solve for x
    x = 423,594,912.57/27,073.43
  6. Step 6: Final answer
    x = 15,646.15

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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.