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Finding the Fourth Proportional to 38,681.70, 57,924.07 and 25,494.09

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Solution

The fourth proportional to 38,681.70, 57,924.07 and 25,494.09 is: 38,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,681.70 : 57,924.07 = 25,494.09 : x
  2. Step 2: Convert to fraction form
    38,681.70/57,924.07 = 25,494.09/x
  3. Step 3: Cross multiply
    38,681.70x = 57,924.07 × 25,494.09
  4. Step 4: Simplify right side
    38,681.70x = 1,476,721,453.75
  5. Step 5: Solve for x
    x = 1,476,721,453.75/38,681.70
  6. Step 6: Final answer
    x = 38,176.23

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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.