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Finding the Fourth Proportional to 60,040.40, 90,062.42 and 20,596.94

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Solution

The fourth proportional to 60,040.40, 90,062.42 and 20,596.94 is: 30,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,040.40 : 90,062.42 = 20,596.94 : x
  2. Step 2: Convert to fraction form
    60,040.40/90,062.42 = 20,596.94/x
  3. Step 3: Cross multiply
    60,040.40x = 90,062.42 × 20,596.94
  4. Step 4: Simplify right side
    60,040.40x = 1,855,010,158.01
  5. Step 5: Solve for x
    x = 1,855,010,158.01/60,040.40
  6. Step 6: Final answer
    x = 30,896.04

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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.