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Finding the Fourth Proportional to 22,034.92, 30,396.92 and 14,068.78

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Solution

The fourth proportional to 22,034.92, 30,396.92 and 14,068.78 is: 19,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,034.92 : 30,396.92 = 14,068.78 : x
  2. Step 2: Convert to fraction form
    22,034.92/30,396.92 = 14,068.78/x
  3. Step 3: Cross multiply
    22,034.92x = 30,396.92 × 14,068.78
  4. Step 4: Simplify right side
    22,034.92x = 427,647,580.16
  5. Step 5: Solve for x
    x = 427,647,580.16/22,034.92
  6. Step 6: Final answer
    x = 19,407.72

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Half scale
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Double scale
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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.