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Finding the Fourth Proportional to 60,355.36, 90,503.87 and 25,285.60

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Solution

The fourth proportional to 60,355.36, 90,503.87 and 25,285.60 is: 37,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,355.36 : 90,503.87 = 25,285.60 : x
  2. Step 2: Convert to fraction form
    60,355.36/90,503.87 = 25,285.60/x
  3. Step 3: Cross multiply
    60,355.36x = 90,503.87 × 25,285.60
  4. Step 4: Simplify right side
    60,355.36x = 2,288,444,202.75
  5. Step 5: Solve for x
    x = 2,288,444,202.75/60,355.36
  6. Step 6: Final answer
    x = 37,916.18

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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.