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Finding the Fourth Proportional to 60,689.58, 91,034.37 and 39,908.22

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Solution

The fourth proportional to 60,689.58, 91,034.37 and 39,908.22 is: 59,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,689.58 : 91,034.37 = 39,908.22 : x
  2. Step 2: Convert to fraction form
    60,689.58/91,034.37 = 39,908.22/x
  3. Step 3: Cross multiply
    60,689.58x = 91,034.37 × 39,908.22
  4. Step 4: Simplify right side
    60,689.58x = 3,633,019,665.52
  5. Step 5: Solve for x
    x = 3,633,019,665.52/60,689.58
  6. Step 6: Final answer
    x = 59,862.33

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Similar ratio
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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.