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Finding the Fourth Proportional to 22,309.60, 33,464.40 and 14,436.40

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Solution

The fourth proportional to 22,309.60, 33,464.40 and 14,436.40 is: 21,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.60 : 33,464.40 = 14,436.40 : x
  2. Step 2: Convert to fraction form
    22,309.60/33,464.40 = 14,436.40/x
  3. Step 3: Cross multiply
    22,309.60x = 33,464.40 × 14,436.40
  4. Step 4: Simplify right side
    22,309.60x = 483,105,464.16
  5. Step 5: Solve for x
    x = 483,105,464.16/22,309.60
  6. Step 6: Final answer
    x = 21,654.60

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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.