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Finding the Fourth Proportional to 62,986.88, 94,480.22 and 43,205.52

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Solution

The fourth proportional to 62,986.88, 94,480.22 and 43,205.52 is: 64,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,986.88 : 94,480.22 = 43,205.52 : x
  2. Step 2: Convert to fraction form
    62,986.88/94,480.22 = 43,205.52/x
  3. Step 3: Cross multiply
    62,986.88x = 94,480.22 × 43,205.52
  4. Step 4: Simplify right side
    62,986.88x = 4,082,067,034.81
  5. Step 5: Solve for x
    x = 4,082,067,034.81/62,986.88
  6. Step 6: Final answer
    x = 64,808.21

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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.