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Finding the Fourth Proportional to 8,448.10, 12,672.15 and 5,683.30

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Solution

The fourth proportional to 8,448.10, 12,672.15 and 5,683.30 is: 8,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.10 : 12,672.15 = 5,683.30 : x
  2. Step 2: Convert to fraction form
    8,448.10/12,672.15 = 5,683.30/x
  3. Step 3: Cross multiply
    8,448.10x = 12,672.15 × 5,683.30
  4. Step 4: Simplify right side
    8,448.10x = 72,019,630.10
  5. Step 5: Solve for x
    x = 72,019,630.10/8,448.10
  6. Step 6: Final answer
    x = 8,524.95

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.