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Finding the Fourth Proportional to 6,579.44, 9,079.82 and 4,061.64

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Solution

The fourth proportional to 6,579.44, 9,079.82 and 4,061.64 is: 5,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.44 : 9,079.82 = 4,061.64 : x
  2. Step 2: Convert to fraction form
    6,579.44/9,079.82 = 4,061.64/x
  3. Step 3: Cross multiply
    6,579.44x = 9,079.82 × 4,061.64
  4. Step 4: Simplify right side
    6,579.44x = 36,878,960.10
  5. Step 5: Solve for x
    x = 36,878,960.10/6,579.44
  6. Step 6: Final answer
    x = 5,605.18

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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.