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Finding the Fourth Proportional to 50,138.88, 75,188.88 and 26,752.56

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Solution

The fourth proportional to 50,138.88, 75,188.88 and 26,752.56 is: 40,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.88 : 75,188.88 = 26,752.56 : x
  2. Step 2: Convert to fraction form
    50,138.88/75,188.88 = 26,752.56/x
  3. Step 3: Cross multiply
    50,138.88x = 75,188.88 × 26,752.56
  4. Step 4: Simplify right side
    50,138.88x = 2,011,495,023.53
  5. Step 5: Solve for x
    x = 2,011,495,023.53/50,138.88
  6. Step 6: Final answer
    x = 40,118.47

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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.