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Finding the Fourth Proportional to 59,969.40, 89,937.08 and 17,847.78

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Solution

The fourth proportional to 59,969.40, 89,937.08 and 17,847.78 is: 26,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,969.40 : 89,937.08 = 17,847.78 : x
  2. Step 2: Convert to fraction form
    59,969.40/89,937.08 = 17,847.78/x
  3. Step 3: Cross multiply
    59,969.40x = 89,937.08 × 17,847.78
  4. Step 4: Simplify right side
    59,969.40x = 1,605,177,217.68
  5. Step 5: Solve for x
    x = 1,605,177,217.68/59,969.40
  6. Step 6: Final answer
    x = 26,766.60

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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.