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Finding the Fourth Proportional to 60,401.60, 90,616.80 and 29,211.20

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Solution

The fourth proportional to 60,401.60, 90,616.80 and 29,211.20 is: 43,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,401.60 : 90,616.80 = 29,211.20 : x
  2. Step 2: Convert to fraction form
    60,401.60/90,616.80 = 29,211.20/x
  3. Step 3: Cross multiply
    60,401.60x = 90,616.80 × 29,211.20
  4. Step 4: Simplify right side
    60,401.60x = 2,647,025,468.16
  5. Step 5: Solve for x
    x = 2,647,025,468.16/60,401.60
  6. Step 6: Final answer
    x = 43,823.76

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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.