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Finding the Fourth Proportional to 59,634.48, 89,463.08 and 20,181

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Solution

The fourth proportional to 59,634.48, 89,463.08 and 20,181 is: 30,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,634.48 : 89,463.08 = 20,181 : x
  2. Step 2: Convert to fraction form
    59,634.48/89,463.08 = 20,181/x
  3. Step 3: Cross multiply
    59,634.48x = 89,463.08 × 20,181
  4. Step 4: Simplify right side
    59,634.48x = 1,805,454,417.48
  5. Step 5: Solve for x
    x = 1,805,454,417.48/59,634.48
  6. Step 6: Final answer
    x = 30,275.34

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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.