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Finding the Fourth Proportional to 41,068.80, 61,603.20 and 22,406.40

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Solution

The fourth proportional to 41,068.80, 61,603.20 and 22,406.40 is: 33,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,068.80 : 61,603.20 = 22,406.40 : x
  2. Step 2: Convert to fraction form
    41,068.80/61,603.20 = 22,406.40/x
  3. Step 3: Cross multiply
    41,068.80x = 61,603.20 × 22,406.40
  4. Step 4: Simplify right side
    41,068.80x = 1,380,305,940.48
  5. Step 5: Solve for x
    x = 1,380,305,940.48/41,068.80
  6. Step 6: Final answer
    x = 33,609.60

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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.