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Finding the Fourth Proportional to 60,483.60, 90,725.40 and 41,821.20

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Solution

The fourth proportional to 60,483.60, 90,725.40 and 41,821.20 is: 62,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,483.60 : 90,725.40 = 41,821.20 : x
  2. Step 2: Convert to fraction form
    60,483.60/90,725.40 = 41,821.20/x
  3. Step 3: Cross multiply
    60,483.60x = 90,725.40 × 41,821.20
  4. Step 4: Simplify right side
    60,483.60x = 3,794,245,098.48
  5. Step 5: Solve for x
    x = 3,794,245,098.48/60,483.60
  6. Step 6: Final answer
    x = 62,731.80

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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.