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Finding the Fourth Proportional to 18,269.60, 27,404.40 and 5,957.60

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Solution

The fourth proportional to 18,269.60, 27,404.40 and 5,957.60 is: 8,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.60 : 27,404.40 = 5,957.60 : x
  2. Step 2: Convert to fraction form
    18,269.60/27,404.40 = 5,957.60/x
  3. Step 3: Cross multiply
    18,269.60x = 27,404.40 × 5,957.60
  4. Step 4: Simplify right side
    18,269.60x = 163,264,453.44
  5. Step 5: Solve for x
    x = 163,264,453.44/18,269.60
  6. Step 6: Final answer
    x = 8,936.40

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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.