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Finding the Fourth Proportional to 22,177.60, 33,266.40 and 14,304.40

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Solution

The fourth proportional to 22,177.60, 33,266.40 and 14,304.40 is: 21,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.60 : 33,266.40 = 14,304.40 : x
  2. Step 2: Convert to fraction form
    22,177.60/33,266.40 = 14,304.40/x
  3. Step 3: Cross multiply
    22,177.60x = 33,266.40 × 14,304.40
  4. Step 4: Simplify right side
    22,177.60x = 475,855,892.16
  5. Step 5: Solve for x
    x = 475,855,892.16/22,177.60
  6. Step 6: Final answer
    x = 21,456.60

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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.