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Finding the Fourth Proportional to 73,624.14, 110,436.21 and 18,220.14

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Solution

The fourth proportional to 73,624.14, 110,436.21 and 18,220.14 is: 27,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,624.14 : 110,436.21 = 18,220.14 : x
  2. Step 2: Convert to fraction form
    73,624.14/110,436.21 = 18,220.14/x
  3. Step 3: Cross multiply
    73,624.14x = 110,436.21 × 18,220.14
  4. Step 4: Simplify right side
    73,624.14x = 2,012,163,207.27
  5. Step 5: Solve for x
    x = 2,012,163,207.27/73,624.14
  6. Step 6: Final answer
    x = 27,330.21

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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.