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Finding the Fourth Proportional to 8,347.52, 12,515.07 and 5,059.82

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Solution

The fourth proportional to 8,347.52, 12,515.07 and 5,059.82 is: 7,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.52 : 12,515.07 = 5,059.82 : x
  2. Step 2: Convert to fraction form
    8,347.52/12,515.07 = 5,059.82/x
  3. Step 3: Cross multiply
    8,347.52x = 12,515.07 × 5,059.82
  4. Step 4: Simplify right side
    8,347.52x = 63,324,001.49
  5. Step 5: Solve for x
    x = 63,324,001.49/8,347.52
  6. Step 6: Final answer
    x = 7,585.97

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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.