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Finding the Fourth Proportional to 6,363.60, 9,545.40 and 5,683.20

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Solution

The fourth proportional to 6,363.60, 9,545.40 and 5,683.20 is: 8,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.60 : 9,545.40 = 5,683.20 : x
  2. Step 2: Convert to fraction form
    6,363.60/9,545.40 = 5,683.20/x
  3. Step 3: Cross multiply
    6,363.60x = 9,545.40 × 5,683.20
  4. Step 4: Simplify right side
    6,363.60x = 54,248,417.28
  5. Step 5: Solve for x
    x = 54,248,417.28/6,363.60
  6. Step 6: Final answer
    x = 8,524.80

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.