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Finding the Fourth Proportional to 8,833.40, 13,233.90 and 8,250.20

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Solution

The fourth proportional to 8,833.40, 13,233.90 and 8,250.20 is: 12,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.40 : 13,233.90 = 8,250.20 : x
  2. Step 2: Convert to fraction form
    8,833.40/13,233.90 = 8,250.20/x
  3. Step 3: Cross multiply
    8,833.40x = 13,233.90 × 8,250.20
  4. Step 4: Simplify right side
    8,833.40x = 109,182,321.78
  5. Step 5: Solve for x
    x = 109,182,321.78/8,833.40
  6. Step 6: Final answer
    x = 12,360.17

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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.