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Finding the Fourth Proportional to 61,651.80, 92,481.80 and 17,280.30

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Solution

The fourth proportional to 61,651.80, 92,481.80 and 17,280.30 is: 25,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,651.80 : 92,481.80 = 17,280.30 : x
  2. Step 2: Convert to fraction form
    61,651.80/92,481.80 = 17,280.30/x
  3. Step 3: Cross multiply
    61,651.80x = 92,481.80 × 17,280.30
  4. Step 4: Simplify right side
    61,651.80x = 1,598,113,248.54
  5. Step 5: Solve for x
    x = 1,598,113,248.54/61,651.80
  6. Step 6: Final answer
    x = 25,921.60

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1.5x scale

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.