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Finding the Fourth Proportional to 17,957.62, 26,941.92 and 6,271.84

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Solution

The fourth proportional to 17,957.62, 26,941.92 and 6,271.84 is: 9,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.62 : 26,941.92 = 6,271.84 : x
  2. Step 2: Convert to fraction form
    17,957.62/26,941.92 = 6,271.84/x
  3. Step 3: Cross multiply
    17,957.62x = 26,941.92 × 6,271.84
  4. Step 4: Simplify right side
    17,957.62x = 168,975,411.53
  5. Step 5: Solve for x
    x = 168,975,411.53/17,957.62
  6. Step 6: Final answer
    x = 9,409.68

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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.