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Finding the Fourth Proportional to 3,866.86, 5,332.97 and 2,606.26

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Solution

The fourth proportional to 3,866.86, 5,332.97 and 2,606.26 is: 3,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.86 : 5,332.97 = 2,606.26 : x
  2. Step 2: Convert to fraction form
    3,866.86/5,332.97 = 2,606.26/x
  3. Step 3: Cross multiply
    3,866.86x = 5,332.97 × 2,606.26
  4. Step 4: Simplify right side
    3,866.86x = 13,899,079.80
  5. Step 5: Solve for x
    x = 13,899,079.80/3,866.86
  6. Step 6: Final answer
    x = 3,594.41

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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.