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Finding the Fourth Proportional to 60,885, 91,354.86 and 38,692.62

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Solution

The fourth proportional to 60,885, 91,354.86 and 38,692.62 is: 58,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,885 : 91,354.86 = 38,692.62 : x
  2. Step 2: Convert to fraction form
    60,885/91,354.86 = 38,692.62/x
  3. Step 3: Cross multiply
    60,885x = 91,354.86 × 38,692.62
  4. Step 4: Simplify right side
    60,885x = 3,534,758,883.13
  5. Step 5: Solve for x
    x = 3,534,758,883.13/60,885
  6. Step 6: Final answer
    x = 58,056.32

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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.