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Finding the Fourth Proportional to 3,417.71, 4,736.62 and 3,365.87

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Solution

The fourth proportional to 3,417.71, 4,736.62 and 3,365.87 is: 4,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.71 : 4,736.62 = 3,365.87 : x
  2. Step 2: Convert to fraction form
    3,417.71/4,736.62 = 3,365.87/x
  3. Step 3: Cross multiply
    3,417.71x = 4,736.62 × 3,365.87
  4. Step 4: Simplify right side
    3,417.71x = 15,942,827.68
  5. Step 5: Solve for x
    x = 15,942,827.68/3,417.71
  6. Step 6: Final answer
    x = 4,664.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.