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Finding the Fourth Proportional to 6,872.62, 9,490.04 and 4,359.19

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Solution

The fourth proportional to 6,872.62, 9,490.04 and 4,359.19 is: 6,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.62 : 9,490.04 = 4,359.19 : x
  2. Step 2: Convert to fraction form
    6,872.62/9,490.04 = 4,359.19/x
  3. Step 3: Cross multiply
    6,872.62x = 9,490.04 × 4,359.19
  4. Step 4: Simplify right side
    6,872.62x = 41,368,890.52
  5. Step 5: Solve for x
    x = 41,368,890.52/6,872.62
  6. Step 6: Final answer
    x = 6,019.38

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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.