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Finding the Fourth Proportional to 50,763.78, 70,073.64 and 45,449.37

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Solution

The fourth proportional to 50,763.78, 70,073.64 and 45,449.37 is: 62,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763.78 : 70,073.64 = 45,449.37 : x
  2. Step 2: Convert to fraction form
    50,763.78/70,073.64 = 45,449.37/x
  3. Step 3: Cross multiply
    50,763.78x = 70,073.64 × 45,449.37
  4. Step 4: Simplify right side
    50,763.78x = 3,184,802,791.61
  5. Step 5: Solve for x
    x = 3,184,802,791.61/50,763.78
  6. Step 6: Final answer
    x = 62,737.70

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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.