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Finding the Fourth Proportional to 38,207.44, 52,726.37 and 21,440.44

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Solution

The fourth proportional to 38,207.44, 52,726.37 and 21,440.44 is: 29,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.44 : 52,726.37 = 21,440.44 : x
  2. Step 2: Convert to fraction form
    38,207.44/52,726.37 = 21,440.44/x
  3. Step 3: Cross multiply
    38,207.44x = 52,726.37 × 21,440.44
  4. Step 4: Simplify right side
    38,207.44x = 1,130,476,333.38
  5. Step 5: Solve for x
    x = 1,130,476,333.38/38,207.44
  6. Step 6: Final answer
    x = 29,587.86

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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.