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Finding the Fourth Proportional to 6,410.65, 8,846.67 and 3,578.26

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Solution

The fourth proportional to 6,410.65, 8,846.67 and 3,578.26 is: 4,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.65 : 8,846.67 = 3,578.26 : x
  2. Step 2: Convert to fraction form
    6,410.65/8,846.67 = 3,578.26/x
  3. Step 3: Cross multiply
    6,410.65x = 8,846.67 × 3,578.26
  4. Step 4: Simplify right side
    6,410.65x = 31,655,685.39
  5. Step 5: Solve for x
    x = 31,655,685.39/6,410.65
  6. Step 6: Final answer
    x = 4,937.98

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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.