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Finding the Fourth Proportional to 34,052.66, 51,078.82 and 8,752.15

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Solution

The fourth proportional to 34,052.66, 51,078.82 and 8,752.15 is: 13,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,052.66 : 51,078.82 = 8,752.15 : x
  2. Step 2: Convert to fraction form
    34,052.66/51,078.82 = 8,752.15/x
  3. Step 3: Cross multiply
    34,052.66x = 51,078.82 × 8,752.15
  4. Step 4: Simplify right side
    34,052.66x = 447,049,494.46
  5. Step 5: Solve for x
    x = 447,049,494.46/34,052.66
  6. Step 6: Final answer
    x = 13,128.18

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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.