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Finding the Fourth Proportional to 18,290.74, 27,472.56 and 17,259.16

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Solution

The fourth proportional to 18,290.74, 27,472.56 and 17,259.16 is: 25,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.74 : 27,472.56 = 17,259.16 : x
  2. Step 2: Convert to fraction form
    18,290.74/27,472.56 = 17,259.16/x
  3. Step 3: Cross multiply
    18,290.74x = 27,472.56 × 17,259.16
  4. Step 4: Simplify right side
    18,290.74x = 474,153,308.65
  5. Step 5: Solve for x
    x = 474,153,308.65/18,290.74
  6. Step 6: Final answer
    x = 25,923.13

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1.5x scale

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.