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Finding the Fourth Proportional to 60,989.44, 91,338.12 and 38,733.16

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Solution

The fourth proportional to 60,989.44, 91,338.12 and 38,733.16 is: 58,006.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,989.44 : 91,338.12 = 38,733.16 : x
  2. Step 2: Convert to fraction form
    60,989.44/91,338.12 = 38,733.16/x
  3. Step 3: Cross multiply
    60,989.44x = 91,338.12 × 38,733.16
  4. Step 4: Simplify right side
    60,989.44x = 3,537,814,016.06
  5. Step 5: Solve for x
    x = 3,537,814,016.06/60,989.44
  6. Step 6: Final answer
    x = 58,006.99

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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.