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Finding the Fourth Proportional to 61,994.20, 92,984.10 and 17,627.80

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Solution

The fourth proportional to 61,994.20, 92,984.10 and 17,627.80 is: 26,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,994.20 : 92,984.10 = 17,627.80 : x
  2. Step 2: Convert to fraction form
    61,994.20/92,984.10 = 17,627.80/x
  3. Step 3: Cross multiply
    61,994.20x = 92,984.10 × 17,627.80
  4. Step 4: Simplify right side
    61,994.20x = 1,639,105,117.98
  5. Step 5: Solve for x
    x = 1,639,105,117.98/61,994.20
  6. Step 6: Final answer
    x = 26,439.65

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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.