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Finding the Fourth Proportional to 15,800.97, 23,705.78 and 6,914.68

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Solution

The fourth proportional to 15,800.97, 23,705.78 and 6,914.68 is: 10,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.97 : 23,705.78 = 6,914.68 : x
  2. Step 2: Convert to fraction form
    15,800.97/23,705.78 = 6,914.68/x
  3. Step 3: Cross multiply
    15,800.97x = 23,705.78 × 6,914.68
  4. Step 4: Simplify right side
    15,800.97x = 163,917,882.85
  5. Step 5: Solve for x
    x = 163,917,882.85/15,800.97
  6. Step 6: Final answer
    x = 10,373.91

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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.