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Finding the Fourth Proportional to 3,668.71, 5,503.01 and 1,477.39

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Solution

The fourth proportional to 3,668.71, 5,503.01 and 1,477.39 is: 2,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.71 : 5,503.01 = 1,477.39 : x
  2. Step 2: Convert to fraction form
    3,668.71/5,503.01 = 1,477.39/x
  3. Step 3: Cross multiply
    3,668.71x = 5,503.01 × 1,477.39
  4. Step 4: Simplify right side
    3,668.71x = 8,130,091.94
  5. Step 5: Solve for x
    x = 8,130,091.94/3,668.71
  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.