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Finding the Fourth Proportional to 36,561.84, 54,865.44 and 16,843.20

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Solution

The fourth proportional to 36,561.84, 54,865.44 and 16,843.20 is: 25,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.84 : 54,865.44 = 16,843.20 : x
  2. Step 2: Convert to fraction form
    36,561.84/54,865.44 = 16,843.20/x
  3. Step 3: Cross multiply
    36,561.84x = 54,865.44 × 16,843.20
  4. Step 4: Simplify right side
    36,561.84x = 924,109,579.01
  5. Step 5: Solve for x
    x = 924,109,579.01/36,561.84
  6. Step 6: Final answer
    x = 25,275.25

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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.