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Finding the Fourth Proportional to 9,942.96, 14,909.04 and 6,432.48

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Solution

The fourth proportional to 9,942.96, 14,909.04 and 6,432.48 is: 9,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.96 : 14,909.04 = 6,432.48 : x
  2. Step 2: Convert to fraction form
    9,942.96/14,909.04 = 6,432.48/x
  3. Step 3: Cross multiply
    9,942.96x = 14,909.04 × 6,432.48
  4. Step 4: Simplify right side
    9,942.96x = 95,902,101.62
  5. Step 5: Solve for x
    x = 95,902,101.62/9,942.96
  6. Step 6: Final answer
    x = 9,645.23

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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.