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Finding the Fourth Proportional to 40,052.80, 60,108.60 and 17,880.73

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Solution

The fourth proportional to 40,052.80, 60,108.60 and 17,880.73 is: 26,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,052.80 : 60,108.60 = 17,880.73 : x
  2. Step 2: Convert to fraction form
    40,052.80/60,108.60 = 17,880.73/x
  3. Step 3: Cross multiply
    40,052.80x = 60,108.60 × 17,880.73
  4. Step 4: Simplify right side
    40,052.80x = 1,074,785,647.28
  5. Step 5: Solve for x
    x = 1,074,785,647.28/40,052.80
  6. Step 6: Final answer
    x = 26,834.22

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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.