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Finding the Fourth Proportional to 6,463.47, 8,922.98 and 4,350.12

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Solution

The fourth proportional to 6,463.47, 8,922.98 and 4,350.12 is: 6,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.47 : 8,922.98 = 4,350.12 : x
  2. Step 2: Convert to fraction form
    6,463.47/8,922.98 = 4,350.12/x
  3. Step 3: Cross multiply
    6,463.47x = 8,922.98 × 4,350.12
  4. Step 4: Simplify right side
    6,463.47x = 38,816,033.76
  5. Step 5: Solve for x
    x = 38,816,033.76/6,463.47
  6. Step 6: Final answer
    x = 6,005.45

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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.