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Finding the Fourth Proportional to 17,957.91, 26,949.18 and 6,271.14

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Solution

The fourth proportional to 17,957.91, 26,949.18 and 6,271.14 is: 9,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.91 : 26,949.18 = 6,271.14 : x
  2. Step 2: Convert to fraction form
    17,957.91/26,949.18 = 6,271.14/x
  3. Step 3: Cross multiply
    17,957.91x = 26,949.18 × 6,271.14
  4. Step 4: Simplify right side
    17,957.91x = 169,002,080.67
  5. Step 5: Solve for x
    x = 169,002,080.67/17,957.91
  6. Step 6: Final answer
    x = 9,411.01

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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.