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Finding the Fourth Proportional to 61,843.60, 92,765.40 and 22,406.80

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Solution

The fourth proportional to 61,843.60, 92,765.40 and 22,406.80 is: 33,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,843.60 : 92,765.40 = 22,406.80 : x
  2. Step 2: Convert to fraction form
    61,843.60/92,765.40 = 22,406.80/x
  3. Step 3: Cross multiply
    61,843.60x = 92,765.40 × 22,406.80
  4. Step 4: Simplify right side
    61,843.60x = 2,078,575,764.72
  5. Step 5: Solve for x
    x = 2,078,575,764.72/61,843.60
  6. Step 6: Final answer
    x = 33,610.20

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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.