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Finding the Fourth Proportional to 73,397.82, 101,289.51 and 39,863.82

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Solution

The fourth proportional to 73,397.82, 101,289.51 and 39,863.82 is: 55,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,397.82 : 101,289.51 = 39,863.82 : x
  2. Step 2: Convert to fraction form
    73,397.82/101,289.51 = 39,863.82/x
  3. Step 3: Cross multiply
    73,397.82x = 101,289.51 × 39,863.82
  4. Step 4: Simplify right side
    73,397.82x = 4,037,786,794.53
  5. Step 5: Solve for x
    x = 4,037,786,794.53/73,397.82
  6. Step 6: Final answer
    x = 55,012.35

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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.