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Finding the Fourth Proportional to 16,531.86, 24,796.98 and 7,167.18

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Solution

The fourth proportional to 16,531.86, 24,796.98 and 7,167.18 is: 10,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.86 : 24,796.98 = 7,167.18 : x
  2. Step 2: Convert to fraction form
    16,531.86/24,796.98 = 7,167.18/x
  3. Step 3: Cross multiply
    16,531.86x = 24,796.98 × 7,167.18
  4. Step 4: Simplify right side
    16,531.86x = 177,724,419.12
  5. Step 5: Solve for x
    x = 177,724,419.12/16,531.86
  6. Step 6: Final answer
    x = 10,750.42

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1.5x scale

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.