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Finding the Fourth Proportional to 7,232.69, 9,981.60 and 4,046.28

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Solution

The fourth proportional to 7,232.69, 9,981.60 and 4,046.28 is: 5,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.69 : 9,981.60 = 4,046.28 : x
  2. Step 2: Convert to fraction form
    7,232.69/9,981.60 = 4,046.28/x
  3. Step 3: Cross multiply
    7,232.69x = 9,981.60 × 4,046.28
  4. Step 4: Simplify right side
    7,232.69x = 40,388,348.45
  5. Step 5: Solve for x
    x = 40,388,348.45/7,232.69
  6. Step 6: Final answer
    x = 5,584.14

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Half scale
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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.