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Finding the Fourth Proportional to 61,517.92, 84,894.72 and 33,223.60

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Solution

The fourth proportional to 61,517.92, 84,894.72 and 33,223.60 is: 45,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,517.92 : 84,894.72 = 33,223.60 : x
  2. Step 2: Convert to fraction form
    61,517.92/84,894.72 = 33,223.60/x
  3. Step 3: Cross multiply
    61,517.92x = 84,894.72 × 33,223.60
  4. Step 4: Simplify right side
    61,517.92x = 2,820,508,219.39
  5. Step 5: Solve for x
    x = 2,820,508,219.39/61,517.92
  6. Step 6: Final answer
    x = 45,848.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.