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Finding the Fourth Proportional to 15,305.34, 22,972.41 and 7,519.74

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Solution

The fourth proportional to 15,305.34, 22,972.41 and 7,519.74 is: 11,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.34 : 22,972.41 = 7,519.74 : x
  2. Step 2: Convert to fraction form
    15,305.34/22,972.41 = 7,519.74/x
  3. Step 3: Cross multiply
    15,305.34x = 22,972.41 × 7,519.74
  4. Step 4: Simplify right side
    15,305.34x = 172,746,550.37
  5. Step 5: Solve for x
    x = 172,746,550.37/15,305.34
  6. Step 6: Final answer
    x = 11,286.68

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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.