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Finding the Fourth Proportional to 25,229.46, 37,844.16 and 7,699.44

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Solution

The fourth proportional to 25,229.46, 37,844.16 and 7,699.44 is: 11,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,229.46 : 37,844.16 = 7,699.44 : x
  2. Step 2: Convert to fraction form
    25,229.46/37,844.16 = 7,699.44/x
  3. Step 3: Cross multiply
    25,229.46x = 37,844.16 × 7,699.44
  4. Step 4: Simplify right side
    25,229.46x = 291,378,839.27
  5. Step 5: Solve for x
    x = 291,378,839.27/25,229.46
  6. Step 6: Final answer
    x = 11,549.15

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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.