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Finding the Fourth Proportional to 48,141.92, 71,893 and 47,620.64

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Solution

The fourth proportional to 48,141.92, 71,893 and 47,620.64 is: 71,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,141.92 : 71,893 = 47,620.64 : x
  2. Step 2: Convert to fraction form
    48,141.92/71,893 = 47,620.64/x
  3. Step 3: Cross multiply
    48,141.92x = 71,893 × 47,620.64
  4. Step 4: Simplify right side
    48,141.92x = 3,423,590,671.52
  5. Step 5: Solve for x
    x = 3,423,590,671.52/48,141.92
  6. Step 6: Final answer
    x = 71,114.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.