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Finding the Fourth Proportional to 50,545.44, 69,719.04 and 31,649.76

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Solution

The fourth proportional to 50,545.44, 69,719.04 and 31,649.76 is: 43,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,545.44 : 69,719.04 = 31,649.76 : x
  2. Step 2: Convert to fraction form
    50,545.44/69,719.04 = 31,649.76/x
  3. Step 3: Cross multiply
    50,545.44x = 69,719.04 × 31,649.76
  4. Step 4: Simplify right side
    50,545.44x = 2,206,590,883.43
  5. Step 5: Solve for x
    x = 2,206,590,883.43/50,545.44
  6. Step 6: Final answer
    x = 43,655.59

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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.