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Finding the Fourth Proportional to 22,312.13, 33,468.19 and 8,461.13

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Solution

The fourth proportional to 22,312.13, 33,468.19 and 8,461.13 is: 12,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.13 : 33,468.19 = 8,461.13 : x
  2. Step 2: Convert to fraction form
    22,312.13/33,468.19 = 8,461.13/x
  3. Step 3: Cross multiply
    22,312.13x = 33,468.19 × 8,461.13
  4. Step 4: Simplify right side
    22,312.13x = 283,178,517.96
  5. Step 5: Solve for x
    x = 283,178,517.96/22,312.13
  6. Step 6: Final answer
    x = 12,691.69

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Double scale
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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.