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Finding the Fourth Proportional to 17,525.70, 26,271 and 6,991.92

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Solution

The fourth proportional to 17,525.70, 26,271 and 6,991.92 is: 10,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,525.70 : 26,271 = 6,991.92 : x
  2. Step 2: Convert to fraction form
    17,525.70/26,271 = 6,991.92/x
  3. Step 3: Cross multiply
    17,525.70x = 26,271 × 6,991.92
  4. Step 4: Simplify right side
    17,525.70x = 183,684,730.32
  5. Step 5: Solve for x
    x = 183,684,730.32/17,525.70
  6. Step 6: Final answer
    x = 10,480.88

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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.