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Finding the Fourth Proportional to 29,279.65, 43,894.86 and 23,719.21

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Solution

The fourth proportional to 29,279.65, 43,894.86 and 23,719.21 is: 35,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.65 : 43,894.86 = 23,719.21 : x
  2. Step 2: Convert to fraction form
    29,279.65/43,894.86 = 23,719.21/x
  3. Step 3: Cross multiply
    29,279.65x = 43,894.86 × 23,719.21
  4. Step 4: Simplify right side
    29,279.65x = 1,041,151,402.26
  5. Step 5: Solve for x
    x = 1,041,151,402.26/29,279.65
  6. Step 6: Final answer
    x = 35,558.87

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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.