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Finding the Fourth Proportional to 50,672.94, 69,948.39 and 45,358.56

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Solution

The fourth proportional to 50,672.94, 69,948.39 and 45,358.56 is: 62,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.94 : 69,948.39 = 45,358.56 : x
  2. Step 2: Convert to fraction form
    50,672.94/69,948.39 = 45,358.56/x
  3. Step 3: Cross multiply
    50,672.94x = 69,948.39 × 45,358.56
  4. Step 4: Simplify right side
    50,672.94x = 3,172,758,244.72
  5. Step 5: Solve for x
    x = 3,172,758,244.72/50,672.94
  6. Step 6: Final answer
    x = 62,612.48

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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.