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Finding the Fourth Proportional to 62,436.60, 93,654.90 and 61,399.80

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Solution

The fourth proportional to 62,436.60, 93,654.90 and 61,399.80 is: 92,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,436.60 : 93,654.90 = 61,399.80 : x
  2. Step 2: Convert to fraction form
    62,436.60/93,654.90 = 61,399.80/x
  3. Step 3: Cross multiply
    62,436.60x = 93,654.90 × 61,399.80
  4. Step 4: Simplify right side
    62,436.60x = 5,750,392,129.02
  5. Step 5: Solve for x
    x = 5,750,392,129.02/62,436.60
  6. Step 6: Final answer
    x = 92,099.70

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1.5x scale

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.