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Finding the Fourth Proportional to 7,002.96, 9,663.12 and 4,169.52

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Solution

The fourth proportional to 7,002.96, 9,663.12 and 4,169.52 is: 5,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.96 : 9,663.12 = 4,169.52 : x
  2. Step 2: Convert to fraction form
    7,002.96/9,663.12 = 4,169.52/x
  3. Step 3: Cross multiply
    7,002.96x = 9,663.12 × 4,169.52
  4. Step 4: Simplify right side
    7,002.96x = 40,290,572.10
  5. Step 5: Solve for x
    x = 40,290,572.10/7,002.96
  6. Step 6: Final answer
    x = 5,753.36

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1.5x scale

Why These Related Problems?

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