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Finding the Fourth Proportional to 61,404.40, 92,106.60 and 21,962.80

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Solution

The fourth proportional to 61,404.40, 92,106.60 and 21,962.80 is: 32,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,404.40 : 92,106.60 = 21,962.80 : x
  2. Step 2: Convert to fraction form
    61,404.40/92,106.60 = 21,962.80/x
  3. Step 3: Cross multiply
    61,404.40x = 92,106.60 × 21,962.80
  4. Step 4: Simplify right side
    61,404.40x = 2,022,918,834.48
  5. Step 5: Solve for x
    x = 2,022,918,834.48/61,404.40
  6. Step 6: Final answer
    x = 32,944.20

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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.