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Finding the Fourth Proportional to 8,559.06, 12,849.03 and 4,864.20

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Solution

The fourth proportional to 8,559.06, 12,849.03 and 4,864.20 is: 7,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.06 : 12,849.03 = 4,864.20 : x
  2. Step 2: Convert to fraction form
    8,559.06/12,849.03 = 4,864.20/x
  3. Step 3: Cross multiply
    8,559.06x = 12,849.03 × 4,864.20
  4. Step 4: Simplify right side
    8,559.06x = 62,500,251.73
  5. Step 5: Solve for x
    x = 62,500,251.73/8,559.06
  6. Step 6: Final answer
    x = 7,302.23

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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.