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Finding the Fourth Proportional to 17,676.75, 24,393.92 and 9,719.52

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Solution

The fourth proportional to 17,676.75, 24,393.92 and 9,719.52 is: 13,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,676.75 : 24,393.92 = 9,719.52 : x
  2. Step 2: Convert to fraction form
    17,676.75/24,393.92 = 9,719.52/x
  3. Step 3: Cross multiply
    17,676.75x = 24,393.92 × 9,719.52
  4. Step 4: Simplify right side
    17,676.75x = 237,097,095.65
  5. Step 5: Solve for x
    x = 237,097,095.65/17,676.75
  6. Step 6: Final answer
    x = 13,412.93

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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.