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Finding the Fourth Proportional to 48,354.32, 72,531.13 and 34,063.98

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Solution

The fourth proportional to 48,354.32, 72,531.13 and 34,063.98 is: 51,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,354.32 : 72,531.13 = 34,063.98 : x
  2. Step 2: Convert to fraction form
    48,354.32/72,531.13 = 34,063.98/x
  3. Step 3: Cross multiply
    48,354.32x = 72,531.13 × 34,063.98
  4. Step 4: Simplify right side
    48,354.32x = 2,470,698,961.70
  5. Step 5: Solve for x
    x = 2,470,698,961.70/48,354.32
  6. Step 6: Final answer
    x = 51,095.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.