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Finding the Fourth Proportional to 55,698.48, 83,551.08 and 22,418.40

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Solution

The fourth proportional to 55,698.48, 83,551.08 and 22,418.40 is: 33,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,698.48 : 83,551.08 = 22,418.40 : x
  2. Step 2: Convert to fraction form
    55,698.48/83,551.08 = 22,418.40/x
  3. Step 3: Cross multiply
    55,698.48x = 83,551.08 × 22,418.40
  4. Step 4: Simplify right side
    55,698.48x = 1,873,081,531.87
  5. Step 5: Solve for x
    x = 1,873,081,531.87/55,698.48
  6. Step 6: Final answer
    x = 33,628.95

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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.