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Finding the Fourth Proportional to 34,221.60, 51,370.80 and 26,464.80

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Solution

The fourth proportional to 34,221.60, 51,370.80 and 26,464.80 is: 39,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,221.60 : 51,370.80 = 26,464.80 : x
  2. Step 2: Convert to fraction form
    34,221.60/51,370.80 = 26,464.80/x
  3. Step 3: Cross multiply
    34,221.60x = 51,370.80 × 26,464.80
  4. Step 4: Simplify right side
    34,221.60x = 1,359,517,947.84
  5. Step 5: Solve for x
    x = 1,359,517,947.84/34,221.60
  6. Step 6: Final answer
    x = 39,726.90

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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.