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Finding the Fourth Proportional to 29,369.48, 40,514.87 and 18,747.95

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Solution

The fourth proportional to 29,369.48, 40,514.87 and 18,747.95 is: 25,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.48 : 40,514.87 = 18,747.95 : x
  2. Step 2: Convert to fraction form
    29,369.48/40,514.87 = 18,747.95/x
  3. Step 3: Cross multiply
    29,369.48x = 40,514.87 × 18,747.95
  4. Step 4: Simplify right side
    29,369.48x = 759,570,663.28
  5. Step 5: Solve for x
    x = 759,570,663.28/29,369.48
  6. Step 6: Final answer
    x = 25,862.58

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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.