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Finding the Fourth Proportional to 61,194.88, 91,801.44 and 21,748.80

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Solution

The fourth proportional to 61,194.88, 91,801.44 and 21,748.80 is: 32,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,194.88 : 91,801.44 = 21,748.80 : x
  2. Step 2: Convert to fraction form
    61,194.88/91,801.44 = 21,748.80/x
  3. Step 3: Cross multiply
    61,194.88x = 91,801.44 × 21,748.80
  4. Step 4: Simplify right side
    61,194.88x = 1,996,571,158.27
  5. Step 5: Solve for x
    x = 1,996,571,158.27/61,194.88
  6. Step 6: Final answer
    x = 32,626.44

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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.