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Finding the Fourth Proportional to 60,045.71, 90,068.57 and 15,672.08

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Solution

The fourth proportional to 60,045.71, 90,068.57 and 15,672.08 is: 23,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,045.71 : 90,068.57 = 15,672.08 : x
  2. Step 2: Convert to fraction form
    60,045.71/90,068.57 = 15,672.08/x
  3. Step 3: Cross multiply
    60,045.71x = 90,068.57 × 15,672.08
  4. Step 4: Simplify right side
    60,045.71x = 1,411,561,305.82
  5. Step 5: Solve for x
    x = 1,411,561,305.82/60,045.71
  6. Step 6: Final answer
    x = 23,508.11

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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.