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Finding the Fourth Proportional to 6,561.62, 9,063.67 and 4,863.56

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Solution

The fourth proportional to 6,561.62, 9,063.67 and 4,863.56 is: 6,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.62 : 9,063.67 = 4,863.56 : x
  2. Step 2: Convert to fraction form
    6,561.62/9,063.67 = 4,863.56/x
  3. Step 3: Cross multiply
    6,561.62x = 9,063.67 × 4,863.56
  4. Step 4: Simplify right side
    6,561.62x = 44,081,702.87
  5. Step 5: Solve for x
    x = 44,081,702.87/6,561.62
  6. Step 6: Final answer
    x = 6,718.12

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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.