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Finding the Fourth Proportional to 8,073.32, 11,144.28 and 7,232.60

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Solution

The fourth proportional to 8,073.32, 11,144.28 and 7,232.60 is: 9,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.32 : 11,144.28 = 7,232.60 : x
  2. Step 2: Convert to fraction form
    8,073.32/11,144.28 = 7,232.60/x
  3. Step 3: Cross multiply
    8,073.32x = 11,144.28 × 7,232.60
  4. Step 4: Simplify right side
    8,073.32x = 80,602,119.53
  5. Step 5: Solve for x
    x = 80,602,119.53/8,073.32
  6. Step 6: Final answer
    x = 9,983.76

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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.