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Finding the Fourth Proportional to 3,734.88, 5,603.58 and 1,655.40

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Solution

The fourth proportional to 3,734.88, 5,603.58 and 1,655.40 is: 2,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.88 : 5,603.58 = 1,655.40 : x
  2. Step 2: Convert to fraction form
    3,734.88/5,603.58 = 1,655.40/x
  3. Step 3: Cross multiply
    3,734.88x = 5,603.58 × 1,655.40
  4. Step 4: Simplify right side
    3,734.88x = 9,276,166.33
  5. Step 5: Solve for x
    x = 9,276,166.33/3,734.88
  6. Step 6: Final answer
    x = 2,483.66

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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.