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Finding the Fourth Proportional to 67,897.88, 101,809.80 and 23,520.92

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Solution

The fourth proportional to 67,897.88, 101,809.80 and 23,520.92 is: 35,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,897.88 : 101,809.80 = 23,520.92 : x
  2. Step 2: Convert to fraction form
    67,897.88/101,809.80 = 23,520.92/x
  3. Step 3: Cross multiply
    67,897.88x = 101,809.80 × 23,520.92
  4. Step 4: Simplify right side
    67,897.88x = 2,394,660,161.02
  5. Step 5: Solve for x
    x = 2,394,660,161.02/67,897.88
  6. Step 6: Final answer
    x = 35,268.56

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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.