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Finding the Fourth Proportional to 60,642.68, 83,685.02 and 35,149.55

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Solution

The fourth proportional to 60,642.68, 83,685.02 and 35,149.55 is: 48,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,642.68 : 83,685.02 = 35,149.55 : x
  2. Step 2: Convert to fraction form
    60,642.68/83,685.02 = 35,149.55/x
  3. Step 3: Cross multiply
    60,642.68x = 83,685.02 × 35,149.55
  4. Step 4: Simplify right side
    60,642.68x = 2,941,490,200.57
  5. Step 5: Solve for x
    x = 2,941,490,200.57/60,642.68
  6. Step 6: Final answer
    x = 48,505.28

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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.