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Finding the Fourth Proportional to 61,188.60, 91,739.70 and 23,734.20

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Solution

The fourth proportional to 61,188.60, 91,739.70 and 23,734.20 is: 35,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,188.60 : 91,739.70 = 23,734.20 : x
  2. Step 2: Convert to fraction form
    61,188.60/91,739.70 = 23,734.20/x
  3. Step 3: Cross multiply
    61,188.60x = 91,739.70 × 23,734.20
  4. Step 4: Simplify right side
    61,188.60x = 2,177,368,387.74
  5. Step 5: Solve for x
    x = 2,177,368,387.74/61,188.60
  6. Step 6: Final answer
    x = 35,584.54

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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.