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Finding the Fourth Proportional to 50,689.96, 75,961.50 and 34,878.76

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Solution

The fourth proportional to 50,689.96, 75,961.50 and 34,878.76 is: 52,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,689.96 : 75,961.50 = 34,878.76 : x
  2. Step 2: Convert to fraction form
    50,689.96/75,961.50 = 34,878.76/x
  3. Step 3: Cross multiply
    50,689.96x = 75,961.50 × 34,878.76
  4. Step 4: Simplify right side
    50,689.96x = 2,649,442,927.74
  5. Step 5: Solve for x
    x = 2,649,442,927.74/50,689.96
  6. Step 6: Final answer
    x = 52,267.61

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1.5x scale

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.