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Finding the Fourth Proportional to 56,274.32, 84,440.84 and 40,819.52

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Solution

The fourth proportional to 56,274.32, 84,440.84 and 40,819.52 is: 61,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,274.32 : 84,440.84 = 40,819.52 : x
  2. Step 2: Convert to fraction form
    56,274.32/84,440.84 = 40,819.52/x
  3. Step 3: Cross multiply
    56,274.32x = 84,440.84 × 40,819.52
  4. Step 4: Simplify right side
    56,274.32x = 3,446,834,557.20
  5. Step 5: Solve for x
    x = 3,446,834,557.20/56,274.32
  6. Step 6: Final answer
    x = 61,250.58

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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.