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Finding the Fourth Proportional to 62,012.55, 92,854.80 and 48,781.20

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Solution

The fourth proportional to 62,012.55, 92,854.80 and 48,781.20 is: 73,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,012.55 : 92,854.80 = 48,781.20 : x
  2. Step 2: Convert to fraction form
    62,012.55/92,854.80 = 48,781.20/x
  3. Step 3: Cross multiply
    62,012.55x = 92,854.80 × 48,781.20
  4. Step 4: Simplify right side
    62,012.55x = 4,529,568,569.76
  5. Step 5: Solve for x
    x = 4,529,568,569.76/62,012.55
  6. Step 6: Final answer
    x = 73,042.77

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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.