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Finding the Fourth Proportional to 40,894.80, 61,342.20 and 34,333.80

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Solution

The fourth proportional to 40,894.80, 61,342.20 and 34,333.80 is: 51,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,894.80 : 61,342.20 = 34,333.80 : x
  2. Step 2: Convert to fraction form
    40,894.80/61,342.20 = 34,333.80/x
  3. Step 3: Cross multiply
    40,894.80x = 61,342.20 × 34,333.80
  4. Step 4: Simplify right side
    40,894.80x = 2,106,110,826.36
  5. Step 5: Solve for x
    x = 2,106,110,826.36/40,894.80
  6. Step 6: Final answer
    x = 51,500.70

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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.