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Finding the Fourth Proportional to 45,856.24, 68,788.04 and 19,561.24

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Solution

The fourth proportional to 45,856.24, 68,788.04 and 19,561.24 is: 29,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,856.24 : 68,788.04 = 19,561.24 : x
  2. Step 2: Convert to fraction form
    45,856.24/68,788.04 = 19,561.24/x
  3. Step 3: Cross multiply
    45,856.24x = 68,788.04 × 19,561.24
  4. Step 4: Simplify right side
    45,856.24x = 1,345,579,359.57
  5. Step 5: Solve for x
    x = 1,345,579,359.57/45,856.24
  6. Step 6: Final answer
    x = 29,343.43

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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.