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Finding the Fourth Proportional to 48,596.87, 72,730.72 and 29,888.78

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Solution

The fourth proportional to 48,596.87, 72,730.72 and 29,888.78 is: 44,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,596.87 : 72,730.72 = 29,888.78 : x
  2. Step 2: Convert to fraction form
    48,596.87/72,730.72 = 29,888.78/x
  3. Step 3: Cross multiply
    48,596.87x = 72,730.72 × 29,888.78
  4. Step 4: Simplify right side
    48,596.87x = 2,173,832,489.32
  5. Step 5: Solve for x
    x = 2,173,832,489.32/48,596.87
  6. Step 6: Final answer
    x = 44,731.94

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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.