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Finding the Fourth Proportional to 8,253.65, 12,359.97 and 5,776.88

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Solution

The fourth proportional to 8,253.65, 12,359.97 and 5,776.88 is: 8,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.65 : 12,359.97 = 5,776.88 : x
  2. Step 2: Convert to fraction form
    8,253.65/12,359.97 = 5,776.88/x
  3. Step 3: Cross multiply
    8,253.65x = 12,359.97 × 5,776.88
  4. Step 4: Simplify right side
    8,253.65x = 71,402,001.69
  5. Step 5: Solve for x
    x = 71,402,001.69/8,253.65
  6. Step 6: Final answer
    x = 8,650.96

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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.