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Finding the Fourth Proportional to 3,604.91, 5,404.04 and 1,263.63

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Solution

The fourth proportional to 3,604.91, 5,404.04 and 1,263.63 is: 1,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.91 : 5,404.04 = 1,263.63 : x
  2. Step 2: Convert to fraction form
    3,604.91/5,404.04 = 1,263.63/x
  3. Step 3: Cross multiply
    3,604.91x = 5,404.04 × 1,263.63
  4. Step 4: Simplify right side
    3,604.91x = 6,828,683.71
  5. Step 5: Solve for x
    x = 6,828,683.71/3,604.91
  6. Step 6: Final answer
    x = 1,894.28

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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.