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Finding the Fourth Proportional to 61,586.60, 92,148.78 and 36,534.92

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Solution

The fourth proportional to 61,586.60, 92,148.78 and 36,534.92 is: 54,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,586.60 : 92,148.78 = 36,534.92 : x
  2. Step 2: Convert to fraction form
    61,586.60/92,148.78 = 36,534.92/x
  3. Step 3: Cross multiply
    61,586.60x = 92,148.78 × 36,534.92
  4. Step 4: Simplify right side
    61,586.60x = 3,366,648,305.40
  5. Step 5: Solve for x
    x = 3,366,648,305.40/61,586.60
  6. Step 6: Final answer
    x = 54,665.27

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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.