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Finding the Fourth Proportional to 5,541.90, 8,306.10 and 2,415.30

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Solution

The fourth proportional to 5,541.90, 8,306.10 and 2,415.30 is: 3,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.90 : 8,306.10 = 2,415.30 : x
  2. Step 2: Convert to fraction form
    5,541.90/8,306.10 = 2,415.30/x
  3. Step 3: Cross multiply
    5,541.90x = 8,306.10 × 2,415.30
  4. Step 4: Simplify right side
    5,541.90x = 20,061,723.33
  5. Step 5: Solve for x
    x = 20,061,723.33/5,541.90
  6. Step 6: Final answer
    x = 3,620.01

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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.