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Finding the Fourth Proportional to 34,170.80, 51,265.80 and 16,641.20

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Solution

The fourth proportional to 34,170.80, 51,265.80 and 16,641.20 is: 24,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.80 : 51,265.80 = 16,641.20 : x
  2. Step 2: Convert to fraction form
    34,170.80/51,265.80 = 16,641.20/x
  3. Step 3: Cross multiply
    34,170.80x = 51,265.80 × 16,641.20
  4. Step 4: Simplify right side
    34,170.80x = 853,124,430.96
  5. Step 5: Solve for x
    x = 853,124,430.96/34,170.80
  6. Step 6: Final answer
    x = 24,966.48

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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.