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Finding the Fourth Proportional to 5,505.48, 8,269.64 and 4,452.48

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Solution

The fourth proportional to 5,505.48, 8,269.64 and 4,452.48 is: 6,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.48 : 8,269.64 = 4,452.48 : x
  2. Step 2: Convert to fraction form
    5,505.48/8,269.64 = 4,452.48/x
  3. Step 3: Cross multiply
    5,505.48x = 8,269.64 × 4,452.48
  4. Step 4: Simplify right side
    5,505.48x = 36,820,406.71
  5. Step 5: Solve for x
    x = 36,820,406.71/5,505.48
  6. Step 6: Final answer
    x = 6,687.96

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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.