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Finding the Fourth Proportional to 3,509.41, 5,265.12 and 1,044.28

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Solution

The fourth proportional to 3,509.41, 5,265.12 and 1,044.28 is: 1,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.41 : 5,265.12 = 1,044.28 : x
  2. Step 2: Convert to fraction form
    3,509.41/5,265.12 = 1,044.28/x
  3. Step 3: Cross multiply
    3,509.41x = 5,265.12 × 1,044.28
  4. Step 4: Simplify right side
    3,509.41x = 5,498,259.51
  5. Step 5: Solve for x
    x = 5,498,259.51/3,509.41
  6. Step 6: Final answer
    x = 1,566.72

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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.