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Finding the Fourth Proportional to 60,311.60, 90,467.40 and 41,649.20

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Solution

The fourth proportional to 60,311.60, 90,467.40 and 41,649.20 is: 62,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,311.60 : 90,467.40 = 41,649.20 : x
  2. Step 2: Convert to fraction form
    60,311.60/90,467.40 = 41,649.20/x
  3. Step 3: Cross multiply
    60,311.60x = 90,467.40 × 41,649.20
  4. Step 4: Simplify right side
    60,311.60x = 3,767,894,836.08
  5. Step 5: Solve for x
    x = 3,767,894,836.08/60,311.60
  6. Step 6: Final answer
    x = 62,473.80

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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.