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Finding the Fourth Proportional to 45,307.62, 62,522.78 and 25,165.78

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Solution

The fourth proportional to 45,307.62, 62,522.78 and 25,165.78 is: 34,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,307.62 : 62,522.78 = 25,165.78 : x
  2. Step 2: Convert to fraction form
    45,307.62/62,522.78 = 25,165.78/x
  3. Step 3: Cross multiply
    45,307.62x = 62,522.78 × 25,165.78
  4. Step 4: Simplify right side
    45,307.62x = 1,573,434,526.47
  5. Step 5: Solve for x
    x = 1,573,434,526.47/45,307.62
  6. Step 6: Final answer
    x = 34,727.81

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.