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Finding the Fourth Proportional to 63,034.31, 86,986.22 and 34,354.23

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Solution

The fourth proportional to 63,034.31, 86,986.22 and 34,354.23 is: 47,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,034.31 : 86,986.22 = 34,354.23 : x
  2. Step 2: Convert to fraction form
    63,034.31/86,986.22 = 34,354.23/x
  3. Step 3: Cross multiply
    63,034.31x = 86,986.22 × 34,354.23
  4. Step 4: Simplify right side
    63,034.31x = 2,988,344,436.94
  5. Step 5: Solve for x
    x = 2,988,344,436.94/63,034.31
  6. Step 6: Final answer
    x = 47,408.22

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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.