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Finding the Fourth Proportional to 23,482.90, 32,404.21 and 12,872.71

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Solution

The fourth proportional to 23,482.90, 32,404.21 and 12,872.71 is: 17,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,482.90 : 32,404.21 = 12,872.71 : x
  2. Step 2: Convert to fraction form
    23,482.90/32,404.21 = 12,872.71/x
  3. Step 3: Cross multiply
    23,482.90x = 32,404.21 × 12,872.71
  4. Step 4: Simplify right side
    23,482.90x = 417,129,998.11
  5. Step 5: Solve for x
    x = 417,129,998.11/23,482.90
  6. Step 6: Final answer
    x = 17,763.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.