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Finding the Fourth Proportional to 8,373.56, 12,535.90 and 6,274.49

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Solution

The fourth proportional to 8,373.56, 12,535.90 and 6,274.49 is: 9,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.56 : 12,535.90 = 6,274.49 : x
  2. Step 2: Convert to fraction form
    8,373.56/12,535.90 = 6,274.49/x
  3. Step 3: Cross multiply
    8,373.56x = 12,535.90 × 6,274.49
  4. Step 4: Simplify right side
    8,373.56x = 78,656,300.83
  5. Step 5: Solve for x
    x = 78,656,300.83/8,373.56
  6. Step 6: Final answer
    x = 9,393.42

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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.