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Finding the Fourth Proportional to 62,689.95, 93,810.24 and 54,285.39

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Solution

The fourth proportional to 62,689.95, 93,810.24 and 54,285.39 is: 81,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,689.95 : 93,810.24 = 54,285.39 : x
  2. Step 2: Convert to fraction form
    62,689.95/93,810.24 = 54,285.39/x
  3. Step 3: Cross multiply
    62,689.95x = 93,810.24 × 54,285.39
  4. Step 4: Simplify right side
    62,689.95x = 5,092,525,464.39
  5. Step 5: Solve for x
    x = 5,092,525,464.39/62,689.95
  6. Step 6: Final answer
    x = 81,233.52

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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.