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Finding the Fourth Proportional to 61,537.71, 92,487.91 and 51,074.74

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Solution

The fourth proportional to 61,537.71, 92,487.91 and 51,074.74 is: 76,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,537.71 : 92,487.91 = 51,074.74 : x
  2. Step 2: Convert to fraction form
    61,537.71/92,487.91 = 51,074.74/x
  3. Step 3: Cross multiply
    61,537.71x = 92,487.91 × 51,074.74
  4. Step 4: Simplify right side
    61,537.71x = 4,723,795,956.39
  5. Step 5: Solve for x
    x = 4,723,795,956.39/61,537.71
  6. Step 6: Final answer
    x = 76,762.62

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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.