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Finding the Fourth Proportional to 22,188.76, 33,283 and 6,394.20

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Solution

The fourth proportional to 22,188.76, 33,283 and 6,394.20 is: 9,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.76 : 33,283 = 6,394.20 : x
  2. Step 2: Convert to fraction form
    22,188.76/33,283 = 6,394.20/x
  3. Step 3: Cross multiply
    22,188.76x = 33,283 × 6,394.20
  4. Step 4: Simplify right side
    22,188.76x = 212,818,158.60
  5. Step 5: Solve for x
    x = 212,818,158.60/22,188.76
  6. Step 6: Final answer
    x = 9,591.26

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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.