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Finding the Fourth Proportional to 8,862.32, 12,233.50 and 5,324.85

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Solution

The fourth proportional to 8,862.32, 12,233.50 and 5,324.85 is: 7,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.32 : 12,233.50 = 5,324.85 : x
  2. Step 2: Convert to fraction form
    8,862.32/12,233.50 = 5,324.85/x
  3. Step 3: Cross multiply
    8,862.32x = 12,233.50 × 5,324.85
  4. Step 4: Simplify right side
    8,862.32x = 65,141,491.31
  5. Step 5: Solve for x
    x = 65,141,491.31/8,862.32
  6. Step 6: Final answer
    x = 7,350.39

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Half scale
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Double scale
Find fourth proportional to 8,863.32, 12,234.88 and 5,325.85
Similar ratio
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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.