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Finding the Fourth Proportional to 7,673.55, 11,524.90 and 4,772.13

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Solution

The fourth proportional to 7,673.55, 11,524.90 and 4,772.13 is: 7,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.55 : 11,524.90 = 4,772.13 : x
  2. Step 2: Convert to fraction form
    7,673.55/11,524.90 = 4,772.13/x
  3. Step 3: Cross multiply
    7,673.55x = 11,524.90 × 4,772.13
  4. Step 4: Simplify right side
    7,673.55x = 54,998,321.04
  5. Step 5: Solve for x
    x = 54,998,321.04/7,673.55
  6. Step 6: Final answer
    x = 7,167.26

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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.