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Finding the Fourth Proportional to 62,025.60, 93,081.60 and 39,892.80

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Solution

The fourth proportional to 62,025.60, 93,081.60 and 39,892.80 is: 59,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,025.60 : 93,081.60 = 39,892.80 : x
  2. Step 2: Convert to fraction form
    62,025.60/93,081.60 = 39,892.80/x
  3. Step 3: Cross multiply
    62,025.60x = 93,081.60 × 39,892.80
  4. Step 4: Simplify right side
    62,025.60x = 3,713,285,652.48
  5. Step 5: Solve for x
    x = 3,713,285,652.48/62,025.60
  6. Step 6: Final answer
    x = 59,866.98

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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.