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Finding the Fourth Proportional to 51,695.29, 71,339.51 and 29,034.31

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Solution

The fourth proportional to 51,695.29, 71,339.51 and 29,034.31 is: 40,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,695.29 : 71,339.51 = 29,034.31 : x
  2. Step 2: Convert to fraction form
    51,695.29/71,339.51 = 29,034.31/x
  3. Step 3: Cross multiply
    51,695.29x = 71,339.51 × 29,034.31
  4. Step 4: Simplify right side
    51,695.29x = 2,071,293,610.35
  5. Step 5: Solve for x
    x = 2,071,293,610.35/51,695.29
  6. Step 6: Final answer
    x = 40,067.36

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1.5x scale

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.