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Finding the Fourth Proportional to 61,187.60, 91,738.20 and 23,733.20

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Solution

The fourth proportional to 61,187.60, 91,738.20 and 23,733.20 is: 35,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,187.60 : 91,738.20 = 23,733.20 : x
  2. Step 2: Convert to fraction form
    61,187.60/91,738.20 = 23,733.20/x
  3. Step 3: Cross multiply
    61,187.60x = 91,738.20 × 23,733.20
  4. Step 4: Simplify right side
    61,187.60x = 2,177,241,048.24
  5. Step 5: Solve for x
    x = 2,177,241,048.24/61,187.60
  6. Step 6: Final answer
    x = 35,583.04

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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.