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Finding the Fourth Proportional to 61,660.80, 92,491.20 and 22,230.24

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Solution

The fourth proportional to 61,660.80, 92,491.20 and 22,230.24 is: 33,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660.80 : 92,491.20 = 22,230.24 : x
  2. Step 2: Convert to fraction form
    61,660.80/92,491.20 = 22,230.24/x
  3. Step 3: Cross multiply
    61,660.80x = 92,491.20 × 22,230.24
  4. Step 4: Simplify right side
    61,660.80x = 2,056,101,573.89
  5. Step 5: Solve for x
    x = 2,056,101,573.89/61,660.80
  6. Step 6: Final answer
    x = 33,345.36

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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.