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Finding the Fourth Proportional to 25,425.62, 38,138.44 and 6,957.62

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Solution

The fourth proportional to 25,425.62, 38,138.44 and 6,957.62 is: 10,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,425.62 : 38,138.44 = 6,957.62 : x
  2. Step 2: Convert to fraction form
    25,425.62/38,138.44 = 6,957.62/x
  3. Step 3: Cross multiply
    25,425.62x = 38,138.44 × 6,957.62
  4. Step 4: Simplify right side
    25,425.62x = 265,352,772.91
  5. Step 5: Solve for x
    x = 265,352,772.91/25,425.62
  6. Step 6: Final answer
    x = 10,436.43

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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.