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Finding the Fourth Proportional to 30,342.48, 45,520.92 and 9,565.96

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Solution

The fourth proportional to 30,342.48, 45,520.92 and 9,565.96 is: 14,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.48 : 45,520.92 = 9,565.96 : x
  2. Step 2: Convert to fraction form
    30,342.48/45,520.92 = 9,565.96/x
  3. Step 3: Cross multiply
    30,342.48x = 45,520.92 × 9,565.96
  4. Step 4: Simplify right side
    30,342.48x = 435,451,299.88
  5. Step 5: Solve for x
    x = 435,451,299.88/30,342.48
  6. Step 6: Final answer
    x = 14,351.21

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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.