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Finding the Fourth Proportional to 8,377.48, 12,644.95 and 8,377.48

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Solution

The fourth proportional to 8,377.48, 12,644.95 and 8,377.48 is: 12,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.48 : 12,644.95 = 8,377.48 : x
  2. Step 2: Convert to fraction form
    8,377.48/12,644.95 = 8,377.48/x
  3. Step 3: Cross multiply
    8,377.48x = 12,644.95 × 8,377.48
  4. Step 4: Simplify right side
    8,377.48x = 105,932,815.73
  5. Step 5: Solve for x
    x = 105,932,815.73/8,377.48
  6. Step 6: Final answer
    x = 12,644.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.