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Finding the Fourth Proportional to 39,282.44, 58,479.44 and 39,048.95

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Solution

The fourth proportional to 39,282.44, 58,479.44 and 39,048.95 is: 58,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,282.44 : 58,479.44 = 39,048.95 : x
  2. Step 2: Convert to fraction form
    39,282.44/58,479.44 = 39,048.95/x
  3. Step 3: Cross multiply
    39,282.44x = 58,479.44 × 39,048.95
  4. Step 4: Simplify right side
    39,282.44x = 2,283,560,679.54
  5. Step 5: Solve for x
    x = 2,283,560,679.54/39,282.44
  6. Step 6: Final answer
    x = 58,131.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.