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Finding the Fourth Proportional to 34,047.66, 51,071.33 and 8,747.15

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Solution

The fourth proportional to 34,047.66, 51,071.33 and 8,747.15 is: 13,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,047.66 : 51,071.33 = 8,747.15 : x
  2. Step 2: Convert to fraction form
    34,047.66/51,071.33 = 8,747.15/x
  3. Step 3: Cross multiply
    34,047.66x = 51,071.33 × 8,747.15
  4. Step 4: Simplify right side
    34,047.66x = 446,728,668.15
  5. Step 5: Solve for x
    x = 446,728,668.15/34,047.66
  6. Step 6: Final answer
    x = 13,120.69

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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.