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Finding the Fourth Proportional to 3,556.71, 5,337.44 and 1,476.71

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Solution

The fourth proportional to 3,556.71, 5,337.44 and 1,476.71 is: 2,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.71 : 5,337.44 = 1,476.71 : x
  2. Step 2: Convert to fraction form
    3,556.71/5,337.44 = 1,476.71/x
  3. Step 3: Cross multiply
    3,556.71x = 5,337.44 × 1,476.71
  4. Step 4: Simplify right side
    3,556.71x = 7,881,880.83
  5. Step 5: Solve for x
    x = 7,881,880.83/3,556.71
  6. Step 6: Final answer
    x = 2,216.06

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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.