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Finding the Fourth Proportional to 29,393.65, 44,098.07 and 12,749.87

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Solution

The fourth proportional to 29,393.65, 44,098.07 and 12,749.87 is: 19,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,393.65 : 44,098.07 = 12,749.87 : x
  2. Step 2: Convert to fraction form
    29,393.65/44,098.07 = 12,749.87/x
  3. Step 3: Cross multiply
    29,393.65x = 44,098.07 × 12,749.87
  4. Step 4: Simplify right side
    29,393.65x = 562,244,659.75
  5. Step 5: Solve for x
    x = 562,244,659.75/29,393.65
  6. Step 6: Final answer
    x = 19,128.10

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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.