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Finding the Fourth Proportional to 79,813.62, 110,028.31 and 62,788.27

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Solution

The fourth proportional to 79,813.62, 110,028.31 and 62,788.27 is: 86,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,813.62 : 110,028.31 = 62,788.27 : x
  2. Step 2: Convert to fraction form
    79,813.62/110,028.31 = 62,788.27/x
  3. Step 3: Cross multiply
    79,813.62x = 110,028.31 × 62,788.27
  4. Step 4: Simplify right side
    79,813.62x = 6,908,487,235.92
  5. Step 5: Solve for x
    x = 6,908,487,235.92/79,813.62
  6. Step 6: Final answer
    x = 86,557.75

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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.