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Finding the Fourth Proportional to 8,375.24, 11,562.10 and 6,482.60

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Solution

The fourth proportional to 8,375.24, 11,562.10 and 6,482.60 is: 8,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.24 : 11,562.10 = 6,482.60 : x
  2. Step 2: Convert to fraction form
    8,375.24/11,562.10 = 6,482.60/x
  3. Step 3: Cross multiply
    8,375.24x = 11,562.10 × 6,482.60
  4. Step 4: Simplify right side
    8,375.24x = 74,952,469.46
  5. Step 5: Solve for x
    x = 74,952,469.46/8,375.24
  6. Step 6: Final answer
    x = 8,949.29

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Half scale
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Double scale
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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.