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Finding the Fourth Proportional to 8,417.48, 12,626.23 and 3,487.23

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Solution

The fourth proportional to 8,417.48, 12,626.23 and 3,487.23 is: 5,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.48 : 12,626.23 = 3,487.23 : x
  2. Step 2: Convert to fraction form
    8,417.48/12,626.23 = 3,487.23/x
  3. Step 3: Cross multiply
    8,417.48x = 12,626.23 × 3,487.23
  4. Step 4: Simplify right side
    8,417.48x = 44,030,559.32
  5. Step 5: Solve for x
    x = 44,030,559.32/8,417.48
  6. Step 6: Final answer
    x = 5,230.85

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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.