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Finding the Fourth Proportional to 61,805.60, 92,751.60 and 26,770.40

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Solution

The fourth proportional to 61,805.60, 92,751.60 and 26,770.40 is: 40,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,805.60 : 92,751.60 = 26,770.40 : x
  2. Step 2: Convert to fraction form
    61,805.60/92,751.60 = 26,770.40/x
  3. Step 3: Cross multiply
    61,805.60x = 92,751.60 × 26,770.40
  4. Step 4: Simplify right side
    61,805.60x = 2,482,997,432.64
  5. Step 5: Solve for x
    x = 2,482,997,432.64/61,805.60
  6. Step 6: Final answer
    x = 40,174.31

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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.