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Finding the Fourth Proportional to 17,143.65, 23,658.08 and 9,589.89

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Solution

The fourth proportional to 17,143.65, 23,658.08 and 9,589.89 is: 13,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.65 : 23,658.08 = 9,589.89 : x
  2. Step 2: Convert to fraction form
    17,143.65/23,658.08 = 9,589.89/x
  3. Step 3: Cross multiply
    17,143.65x = 23,658.08 × 9,589.89
  4. Step 4: Simplify right side
    17,143.65x = 226,878,425.58
  5. Step 5: Solve for x
    x = 226,878,425.58/17,143.65
  6. Step 6: Final answer
    x = 13,233.96

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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.