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Finding the Fourth Proportional to 6,758.64, 10,137.96 and 2,860.31

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Solution

The fourth proportional to 6,758.64, 10,137.96 and 2,860.31 is: 4,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.64 : 10,137.96 = 2,860.31 : x
  2. Step 2: Convert to fraction form
    6,758.64/10,137.96 = 2,860.31/x
  3. Step 3: Cross multiply
    6,758.64x = 10,137.96 × 2,860.31
  4. Step 4: Simplify right side
    6,758.64x = 28,997,733.71
  5. Step 5: Solve for x
    x = 28,997,733.71/6,758.64
  6. Step 6: Final answer
    x = 4,290.47

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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.