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Finding the Fourth Proportional to 29,319.52, 43,989 and 19,497.46

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Solution

The fourth proportional to 29,319.52, 43,989 and 19,497.46 is: 29,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.52 : 43,989 = 19,497.46 : x
  2. Step 2: Convert to fraction form
    29,319.52/43,989 = 19,497.46/x
  3. Step 3: Cross multiply
    29,319.52x = 43,989 × 19,497.46
  4. Step 4: Simplify right side
    29,319.52x = 857,673,767.94
  5. Step 5: Solve for x
    x = 857,673,767.94/29,319.52
  6. Step 6: Final answer
    x = 29,252.65

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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.