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Finding the Fourth Proportional to 3,604.62, 5,407.50 and 1,264.58

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Solution

The fourth proportional to 3,604.62, 5,407.50 and 1,264.58 is: 1,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.62 : 5,407.50 = 1,264.58 : x
  2. Step 2: Convert to fraction form
    3,604.62/5,407.50 = 1,264.58/x
  3. Step 3: Cross multiply
    3,604.62x = 5,407.50 × 1,264.58
  4. Step 4: Simplify right side
    3,604.62x = 6,838,189.31
  5. Step 5: Solve for x
    x = 6,838,189.31/3,604.62
  6. Step 6: Final answer
    x = 1,897.06

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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.