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Finding the Fourth Proportional to 22,496.16, 33,747.48 and 6,915.12

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Solution

The fourth proportional to 22,496.16, 33,747.48 and 6,915.12 is: 10,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,496.16 : 33,747.48 = 6,915.12 : x
  2. Step 2: Convert to fraction form
    22,496.16/33,747.48 = 6,915.12/x
  3. Step 3: Cross multiply
    22,496.16x = 33,747.48 × 6,915.12
  4. Step 4: Simplify right side
    22,496.16x = 233,367,873.90
  5. Step 5: Solve for x
    x = 233,367,873.90/22,496.16
  6. Step 6: Final answer
    x = 10,373.68

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Double scale
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Similar ratio
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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.