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Finding the Fourth Proportional to 15,301.71, 22,935.29 and 7,515.99

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Solution

The fourth proportional to 15,301.71, 22,935.29 and 7,515.99 is: 11,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.71 : 22,935.29 = 7,515.99 : x
  2. Step 2: Convert to fraction form
    15,301.71/22,935.29 = 7,515.99/x
  3. Step 3: Cross multiply
    15,301.71x = 22,935.29 × 7,515.99
  4. Step 4: Simplify right side
    15,301.71x = 172,381,372.71
  5. Step 5: Solve for x
    x = 172,381,372.71/15,301.71
  6. Step 6: Final answer
    x = 11,265.50

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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.