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Finding the Fourth Proportional to 8,586.52, 11,849.23 and 4,757.79

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Solution

The fourth proportional to 8,586.52, 11,849.23 and 4,757.79 is: 6,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.52 : 11,849.23 = 4,757.79 : x
  2. Step 2: Convert to fraction form
    8,586.52/11,849.23 = 4,757.79/x
  3. Step 3: Cross multiply
    8,586.52x = 11,849.23 × 4,757.79
  4. Step 4: Simplify right side
    8,586.52x = 56,376,148.00
  5. Step 5: Solve for x
    x = 56,376,148.00/8,586.52
  6. Step 6: Final answer
    x = 6,565.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.