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Finding the Fourth Proportional to 3,564.63, 4,919.19 and 2,388.51

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Solution

The fourth proportional to 3,564.63, 4,919.19 and 2,388.51 is: 3,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.63 : 4,919.19 = 2,388.51 : x
  2. Step 2: Convert to fraction form
    3,564.63/4,919.19 = 2,388.51/x
  3. Step 3: Cross multiply
    3,564.63x = 4,919.19 × 2,388.51
  4. Step 4: Simplify right side
    3,564.63x = 11,749,534.51
  5. Step 5: Solve for x
    x = 11,749,534.51/3,564.63
  6. Step 6: Final answer
    x = 3,296.14

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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.