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Finding the Fourth Proportional to 48,573.57, 67,062.53 and 39,642.41

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Solution

The fourth proportional to 48,573.57, 67,062.53 and 39,642.41 is: 54,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,573.57 : 67,062.53 = 39,642.41 : x
  2. Step 2: Convert to fraction form
    48,573.57/67,062.53 = 39,642.41/x
  3. Step 3: Cross multiply
    48,573.57x = 67,062.53 × 39,642.41
  4. Step 4: Simplify right side
    48,573.57x = 2,658,520,576.66
  5. Step 5: Solve for x
    x = 2,658,520,576.66/48,573.57
  6. Step 6: Final answer
    x = 54,731.83

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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.