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Finding the Fourth Proportional to 61,536.71, 92,486.41 and 51,073.74

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Solution

The fourth proportional to 61,536.71, 92,486.41 and 51,073.74 is: 76,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,536.71 : 92,486.41 = 51,073.74 : x
  2. Step 2: Convert to fraction form
    61,536.71/92,486.41 = 51,073.74/x
  3. Step 3: Cross multiply
    61,536.71x = 92,486.41 × 51,073.74
  4. Step 4: Simplify right side
    61,536.71x = 4,723,626,730.19
  5. Step 5: Solve for x
    x = 4,723,626,730.19/61,536.71
  6. Step 6: Final answer
    x = 76,761.12

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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.