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Finding the Fourth Proportional to 8,752.32, 13,149.36 and 7,323.12

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Solution

The fourth proportional to 8,752.32, 13,149.36 and 7,323.12 is: 11,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.32 : 13,149.36 = 7,323.12 : x
  2. Step 2: Convert to fraction form
    8,752.32/13,149.36 = 7,323.12/x
  3. Step 3: Cross multiply
    8,752.32x = 13,149.36 × 7,323.12
  4. Step 4: Simplify right side
    8,752.32x = 96,294,341.20
  5. Step 5: Solve for x
    x = 96,294,341.20/8,752.32
  6. Step 6: Final answer
    x = 11,002.15

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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.