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Finding the Fourth Proportional to 17,642.84, 24,347.01 and 9,576.65

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Solution

The fourth proportional to 17,642.84, 24,347.01 and 9,576.65 is: 13,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,642.84 : 24,347.01 = 9,576.65 : x
  2. Step 2: Convert to fraction form
    17,642.84/24,347.01 = 9,576.65/x
  3. Step 3: Cross multiply
    17,642.84x = 24,347.01 × 9,576.65
  4. Step 4: Simplify right side
    17,642.84x = 233,162,890.10
  5. Step 5: Solve for x
    x = 233,162,890.10/17,642.84
  6. Step 6: Final answer
    x = 13,215.73

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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.