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Finding the Fourth Proportional to 60,445.90, 83,391.46 and 34,947.60

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Solution

The fourth proportional to 60,445.90, 83,391.46 and 34,947.60 is: 48,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,445.90 : 83,391.46 = 34,947.60 : x
  2. Step 2: Convert to fraction form
    60,445.90/83,391.46 = 34,947.60/x
  3. Step 3: Cross multiply
    60,445.90x = 83,391.46 × 34,947.60
  4. Step 4: Simplify right side
    60,445.90x = 2,914,331,387.50
  5. Step 5: Solve for x
    x = 2,914,331,387.50/60,445.90
  6. Step 6: Final answer
    x = 48,213.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.