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Finding the Fourth Proportional to 6,860.71, 10,282.62 and 3,901.63

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Solution

The fourth proportional to 6,860.71, 10,282.62 and 3,901.63 is: 5,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.71 : 10,282.62 = 3,901.63 : x
  2. Step 2: Convert to fraction form
    6,860.71/10,282.62 = 3,901.63/x
  3. Step 3: Cross multiply
    6,860.71x = 10,282.62 × 3,901.63
  4. Step 4: Simplify right side
    6,860.71x = 40,118,978.67
  5. Step 5: Solve for x
    x = 40,118,978.67/6,860.71
  6. Step 6: Final answer
    x = 5,847.64

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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.