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Finding the Fourth Proportional to 71,378.80, 107,069.91 and 23,994.58

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Solution

The fourth proportional to 71,378.80, 107,069.91 and 23,994.58 is: 35,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,378.80 : 107,069.91 = 23,994.58 : x
  2. Step 2: Convert to fraction form
    71,378.80/107,069.91 = 23,994.58/x
  3. Step 3: Cross multiply
    71,378.80x = 107,069.91 × 23,994.58
  4. Step 4: Simplify right side
    71,378.80x = 2,569,097,521.09
  5. Step 5: Solve for x
    x = 2,569,097,521.09/71,378.80
  6. Step 6: Final answer
    x = 35,992.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.