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Finding the Fourth Proportional to 15,044.57, 20,760.68 and 8,994.93

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Solution

The fourth proportional to 15,044.57, 20,760.68 and 8,994.93 is: 12,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.57 : 20,760.68 = 8,994.93 : x
  2. Step 2: Convert to fraction form
    15,044.57/20,760.68 = 8,994.93/x
  3. Step 3: Cross multiply
    15,044.57x = 20,760.68 × 8,994.93
  4. Step 4: Simplify right side
    15,044.57x = 186,740,863.35
  5. Step 5: Solve for x
    x = 186,740,863.35/15,044.57
  6. Step 6: Final answer
    x = 12,412.51

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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.