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Finding the Fourth Proportional to 17,164.61, 23,674.92 and 15,752.87

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Solution

The fourth proportional to 17,164.61, 23,674.92 and 15,752.87 is: 21,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,164.61 : 23,674.92 = 15,752.87 : x
  2. Step 2: Convert to fraction form
    17,164.61/23,674.92 = 15,752.87/x
  3. Step 3: Cross multiply
    17,164.61x = 23,674.92 × 15,752.87
  4. Step 4: Simplify right side
    17,164.61x = 372,947,818.65
  5. Step 5: Solve for x
    x = 372,947,818.65/17,164.61
  6. Step 6: Final answer
    x = 21,727.73

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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.