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Finding the Fourth Proportional to 48,486.64, 72,727.84 and 15,205.95

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Solution

The fourth proportional to 48,486.64, 72,727.84 and 15,205.95 is: 22,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,486.64 : 72,727.84 = 15,205.95 : x
  2. Step 2: Convert to fraction form
    48,486.64/72,727.84 = 15,205.95/x
  3. Step 3: Cross multiply
    48,486.64x = 72,727.84 × 15,205.95
  4. Step 4: Simplify right side
    48,486.64x = 1,105,895,898.65
  5. Step 5: Solve for x
    x = 1,105,895,898.65/48,486.64
  6. Step 6: Final answer
    x = 22,808.26

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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.