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Finding the Fourth Proportional to 6,363.36, 8,781.42 and 3,568.92

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Solution

The fourth proportional to 6,363.36, 8,781.42 and 3,568.92 is: 4,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.36 : 8,781.42 = 3,568.92 : x
  2. Step 2: Convert to fraction form
    6,363.36/8,781.42 = 3,568.92/x
  3. Step 3: Cross multiply
    6,363.36x = 8,781.42 × 3,568.92
  4. Step 4: Simplify right side
    6,363.36x = 31,340,185.47
  5. Step 5: Solve for x
    x = 31,340,185.47/6,363.36
  6. Step 6: Final answer
    x = 4,925.10

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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.