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Finding the Fourth Proportional to 60,237.60, 90,442.80 and 47,104.80

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Solution

The fourth proportional to 60,237.60, 90,442.80 and 47,104.80 is: 70,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,237.60 : 90,442.80 = 47,104.80 : x
  2. Step 2: Convert to fraction form
    60,237.60/90,442.80 = 47,104.80/x
  3. Step 3: Cross multiply
    60,237.60x = 90,442.80 × 47,104.80
  4. Step 4: Simplify right side
    60,237.60x = 4,260,290,005.44
  5. Step 5: Solve for x
    x = 4,260,290,005.44/60,237.60
  6. Step 6: Final answer
    x = 70,724.76

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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.