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Finding the Fourth Proportional to 23,791.38, 35,685.71 and 7,151.07

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Solution

The fourth proportional to 23,791.38, 35,685.71 and 7,151.07 is: 10,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,791.38 : 35,685.71 = 7,151.07 : x
  2. Step 2: Convert to fraction form
    23,791.38/35,685.71 = 7,151.07/x
  3. Step 3: Cross multiply
    23,791.38x = 35,685.71 × 7,151.07
  4. Step 4: Simplify right side
    23,791.38x = 255,191,010.21
  5. Step 5: Solve for x
    x = 255,191,010.21/23,791.38
  6. Step 6: Final answer
    x = 10,726.20

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Double scale
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Similar ratio
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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.