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Finding the Fourth Proportional to 67,862.33, 101,777.08 and 28,448.94

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Solution

The fourth proportional to 67,862.33, 101,777.08 and 28,448.94 is: 42,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,862.33 : 101,777.08 = 28,448.94 : x
  2. Step 2: Convert to fraction form
    67,862.33/101,777.08 = 28,448.94/x
  3. Step 3: Cross multiply
    67,862.33x = 101,777.08 × 28,448.94
  4. Step 4: Simplify right side
    67,862.33x = 2,895,450,042.30
  5. Step 5: Solve for x
    x = 2,895,450,042.30/67,862.33
  6. Step 6: Final answer
    x = 42,666.53

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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.