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Finding the Fourth Proportional to 6,483.62, 8,947.60 and 3,966.14

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Solution

The fourth proportional to 6,483.62, 8,947.60 and 3,966.14 is: 5,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.62 : 8,947.60 = 3,966.14 : x
  2. Step 2: Convert to fraction form
    6,483.62/8,947.60 = 3,966.14/x
  3. Step 3: Cross multiply
    6,483.62x = 8,947.60 × 3,966.14
  4. Step 4: Simplify right side
    6,483.62x = 35,487,434.26
  5. Step 5: Solve for x
    x = 35,487,434.26/6,483.62
  6. Step 6: Final answer
    x = 5,473.40

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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.