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Finding the Fourth Proportional to 18,220.40, 27,330.60 and 16,252.10

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Solution

The fourth proportional to 18,220.40, 27,330.60 and 16,252.10 is: 24,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.40 : 27,330.60 = 16,252.10 : x
  2. Step 2: Convert to fraction form
    18,220.40/27,330.60 = 16,252.10/x
  3. Step 3: Cross multiply
    18,220.40x = 27,330.60 × 16,252.10
  4. Step 4: Simplify right side
    18,220.40x = 444,179,644.26
  5. Step 5: Solve for x
    x = 444,179,644.26/18,220.40
  6. Step 6: Final answer
    x = 24,378.15

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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.