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Finding the Fourth Proportional to 36,538.78, 54,806.98 and 15,473.20

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Solution

The fourth proportional to 36,538.78, 54,806.98 and 15,473.20 is: 23,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,538.78 : 54,806.98 = 15,473.20 : x
  2. Step 2: Convert to fraction form
    36,538.78/54,806.98 = 15,473.20/x
  3. Step 3: Cross multiply
    36,538.78x = 54,806.98 × 15,473.20
  4. Step 4: Simplify right side
    36,538.78x = 848,039,362.94
  5. Step 5: Solve for x
    x = 848,039,362.94/36,538.78
  6. Step 6: Final answer
    x = 23,209.30

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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.