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Finding the Fourth Proportional to 29,874.40, 44,811.60 and 25,719.10

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Solution

The fourth proportional to 29,874.40, 44,811.60 and 25,719.10 is: 38,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,874.40 : 44,811.60 = 25,719.10 : x
  2. Step 2: Convert to fraction form
    29,874.40/44,811.60 = 25,719.10/x
  3. Step 3: Cross multiply
    29,874.40x = 44,811.60 × 25,719.10
  4. Step 4: Simplify right side
    29,874.40x = 1,152,514,021.56
  5. Step 5: Solve for x
    x = 1,152,514,021.56/29,874.40
  6. Step 6: Final answer
    x = 38,578.65

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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.