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Finding the Fourth Proportional to 48,563.65, 72,680.90 and 29,855.59

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Solution

The fourth proportional to 48,563.65, 72,680.90 and 29,855.59 is: 44,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,563.65 : 72,680.90 = 29,855.59 : x
  2. Step 2: Convert to fraction form
    48,563.65/72,680.90 = 29,855.59/x
  3. Step 3: Cross multiply
    48,563.65x = 72,680.90 × 29,855.59
  4. Step 4: Simplify right side
    48,563.65x = 2,169,930,820.25
  5. Step 5: Solve for x
    x = 2,169,930,820.25/48,563.65
  6. Step 6: Final answer
    x = 44,682.20

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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.