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Finding the Fourth Proportional to 62,773.94, 86,628.65 and 34,479.63

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Solution

The fourth proportional to 62,773.94, 86,628.65 and 34,479.63 is: 47,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,773.94 : 86,628.65 = 34,479.63 : x
  2. Step 2: Convert to fraction form
    62,773.94/86,628.65 = 34,479.63/x
  3. Step 3: Cross multiply
    62,773.94x = 86,628.65 × 34,479.63
  4. Step 4: Simplify right side
    62,773.94x = 2,986,923,799.40
  5. Step 5: Solve for x
    x = 2,986,923,799.40/62,773.94
  6. Step 6: Final answer
    x = 47,582.23

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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.