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Finding the Fourth Proportional to 22,639.89, 33,959.88 and 7,848.84

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Solution

The fourth proportional to 22,639.89, 33,959.88 and 7,848.84 is: 11,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.89 : 33,959.88 = 7,848.84 : x
  2. Step 2: Convert to fraction form
    22,639.89/33,959.88 = 7,848.84/x
  3. Step 3: Cross multiply
    22,639.89x = 33,959.88 × 7,848.84
  4. Step 4: Simplify right side
    22,639.89x = 266,545,664.54
  5. Step 5: Solve for x
    x = 266,545,664.54/22,639.89
  6. Step 6: Final answer
    x = 11,773.28

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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.