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Finding the Fourth Proportional to 22,237.88, 33,356.81 and 6,655.50

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Solution

The fourth proportional to 22,237.88, 33,356.81 and 6,655.50 is: 9,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.88 : 33,356.81 = 6,655.50 : x
  2. Step 2: Convert to fraction form
    22,237.88/33,356.81 = 6,655.50/x
  3. Step 3: Cross multiply
    22,237.88x = 33,356.81 × 6,655.50
  4. Step 4: Simplify right side
    22,237.88x = 222,006,265.59
  5. Step 5: Solve for x
    x = 222,006,265.59/22,237.88
  6. Step 6: Final answer
    x = 9,983.25

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1.5x scale

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.