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Finding the Fourth Proportional to 72,959.74, 100,767.48 and 49,044.94

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Solution

The fourth proportional to 72,959.74, 100,767.48 and 49,044.94 is: 67,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,959.74 : 100,767.48 = 49,044.94 : x
  2. Step 2: Convert to fraction form
    72,959.74/100,767.48 = 49,044.94/x
  3. Step 3: Cross multiply
    72,959.74x = 100,767.48 × 49,044.94
  4. Step 4: Simplify right side
    72,959.74x = 4,942,135,010.55
  5. Step 5: Solve for x
    x = 4,942,135,010.55/72,959.74
  6. Step 6: Final answer
    x = 67,737.84

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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.