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Finding the Fourth Proportional to 3,600.59, 5,402.48 and 1,408.58

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Solution

The fourth proportional to 3,600.59, 5,402.48 and 1,408.58 is: 2,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.59 : 5,402.48 = 1,408.58 : x
  2. Step 2: Convert to fraction form
    3,600.59/5,402.48 = 1,408.58/x
  3. Step 3: Cross multiply
    3,600.59x = 5,402.48 × 1,408.58
  4. Step 4: Simplify right side
    3,600.59x = 7,609,825.28
  5. Step 5: Solve for x
    x = 7,609,825.28/3,600.59
  6. Step 6: Final answer
    x = 2,113.49

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1.5x scale

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.