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Finding the Fourth Proportional to 68,999.70, 103,499.55 and 24,627.90

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Solution

The fourth proportional to 68,999.70, 103,499.55 and 24,627.90 is: 36,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,999.70 : 103,499.55 = 24,627.90 : x
  2. Step 2: Convert to fraction form
    68,999.70/103,499.55 = 24,627.90/x
  3. Step 3: Cross multiply
    68,999.70x = 103,499.55 × 24,627.90
  4. Step 4: Simplify right side
    68,999.70x = 2,548,976,567.45
  5. Step 5: Solve for x
    x = 2,548,976,567.45/68,999.70
  6. Step 6: Final answer
    x = 36,941.85

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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.