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Finding the Fourth Proportional to 3,294.63, 4,941.95 and 1,103.58

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Solution

The fourth proportional to 3,294.63, 4,941.95 and 1,103.58 is: 1,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.63 : 4,941.95 = 1,103.58 : x
  2. Step 2: Convert to fraction form
    3,294.63/4,941.95 = 1,103.58/x
  3. Step 3: Cross multiply
    3,294.63x = 4,941.95 × 1,103.58
  4. Step 4: Simplify right side
    3,294.63x = 5,453,831.66
  5. Step 5: Solve for x
    x = 5,453,831.66/3,294.63
  6. Step 6: Final answer
    x = 1,655.37

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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.