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Finding the Fourth Proportional to 6,702.72, 10,054.97 and 2,806.21

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Solution

The fourth proportional to 6,702.72, 10,054.97 and 2,806.21 is: 4,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702.72 : 10,054.97 = 2,806.21 : x
  2. Step 2: Convert to fraction form
    6,702.72/10,054.97 = 2,806.21/x
  3. Step 3: Cross multiply
    6,702.72x = 10,054.97 × 2,806.21
  4. Step 4: Simplify right side
    6,702.72x = 28,216,357.36
  5. Step 5: Solve for x
    x = 28,216,357.36/6,702.72
  6. Step 6: Final answer
    x = 4,209.69

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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.