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Finding the Fourth Proportional to 60,043.56, 82,871.54 and 39,589.64

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Solution

The fourth proportional to 60,043.56, 82,871.54 and 39,589.64 is: 54,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,043.56 : 82,871.54 = 39,589.64 : x
  2. Step 2: Convert to fraction form
    60,043.56/82,871.54 = 39,589.64/x
  3. Step 3: Cross multiply
    60,043.56x = 82,871.54 × 39,589.64
  4. Step 4: Simplify right side
    60,043.56x = 3,280,854,434.85
  5. Step 5: Solve for x
    x = 3,280,854,434.85/60,043.56
  6. Step 6: Final answer
    x = 54,641.24

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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.