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Finding the Fourth Proportional to 55,472.76, 76,557.77 and 32,819.03

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Solution

The fourth proportional to 55,472.76, 76,557.77 and 32,819.03 is: 45,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,472.76 : 76,557.77 = 32,819.03 : x
  2. Step 2: Convert to fraction form
    55,472.76/76,557.77 = 32,819.03/x
  3. Step 3: Cross multiply
    55,472.76x = 76,557.77 × 32,819.03
  4. Step 4: Simplify right side
    55,472.76x = 2,512,551,951.98
  5. Step 5: Solve for x
    x = 2,512,551,951.98/55,472.76
  6. Step 6: Final answer
    x = 45,293.44

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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.