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Finding the Fourth Proportional to 6,130.80, 8,463.11 and 4,144.05

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Solution

The fourth proportional to 6,130.80, 8,463.11 and 4,144.05 is: 5,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.80 : 8,463.11 = 4,144.05 : x
  2. Step 2: Convert to fraction form
    6,130.80/8,463.11 = 4,144.05/x
  3. Step 3: Cross multiply
    6,130.80x = 8,463.11 × 4,144.05
  4. Step 4: Simplify right side
    6,130.80x = 35,071,530.28
  5. Step 5: Solve for x
    x = 35,071,530.28/6,130.80
  6. Step 6: Final answer
    x = 5,720.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.