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Finding the Fourth Proportional to 63,479.75, 87,598.40 and 34,793.82

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Solution

The fourth proportional to 63,479.75, 87,598.40 and 34,793.82 is: 48,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,479.75 : 87,598.40 = 34,793.82 : x
  2. Step 2: Convert to fraction form
    63,479.75/87,598.40 = 34,793.82/x
  3. Step 3: Cross multiply
    63,479.75x = 87,598.40 × 34,793.82
  4. Step 4: Simplify right side
    63,479.75x = 3,047,882,787.92
  5. Step 5: Solve for x
    x = 3,047,882,787.92/63,479.75
  6. Step 6: Final answer
    x = 48,013.47

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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.