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Finding the Fourth Proportional to 32,482.62, 48,691.13 and 12,753.45

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Solution

The fourth proportional to 32,482.62, 48,691.13 and 12,753.45 is: 19,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,482.62 : 48,691.13 = 12,753.45 : x
  2. Step 2: Convert to fraction form
    32,482.62/48,691.13 = 12,753.45/x
  3. Step 3: Cross multiply
    32,482.62x = 48,691.13 × 12,753.45
  4. Step 4: Simplify right side
    32,482.62x = 620,979,828.13
  5. Step 5: Solve for x
    x = 620,979,828.13/32,482.62
  6. Step 6: Final answer
    x = 19,117.29

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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.