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Finding the Fourth Proportional to 8,373.03, 12,562.19 and 5,255.21

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Solution

The fourth proportional to 8,373.03, 12,562.19 and 5,255.21 is: 7,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.03 : 12,562.19 = 5,255.21 : x
  2. Step 2: Convert to fraction form
    8,373.03/12,562.19 = 5,255.21/x
  3. Step 3: Cross multiply
    8,373.03x = 12,562.19 × 5,255.21
  4. Step 4: Simplify right side
    8,373.03x = 66,016,857.42
  5. Step 5: Solve for x
    x = 66,016,857.42/8,373.03
  6. Step 6: Final answer
    x = 7,884.46

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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.