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Finding the Fourth Proportional to 60,342.60, 90,497.70 and 25,285.80

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Solution

The fourth proportional to 60,342.60, 90,497.70 and 25,285.80 is: 37,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,342.60 : 90,497.70 = 25,285.80 : x
  2. Step 2: Convert to fraction form
    60,342.60/90,497.70 = 25,285.80/x
  3. Step 3: Cross multiply
    60,342.60x = 90,497.70 × 25,285.80
  4. Step 4: Simplify right side
    60,342.60x = 2,288,306,742.66
  5. Step 5: Solve for x
    x = 2,288,306,742.66/60,342.60
  6. Step 6: Final answer
    x = 37,921.91

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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.