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Finding the Fourth Proportional to 3,602.70, 5,404.05 and 3,372.30

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Solution

The fourth proportional to 3,602.70, 5,404.05 and 3,372.30 is: 5,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.70 : 5,404.05 = 3,372.30 : x
  2. Step 2: Convert to fraction form
    3,602.70/5,404.05 = 3,372.30/x
  3. Step 3: Cross multiply
    3,602.70x = 5,404.05 × 3,372.30
  4. Step 4: Simplify right side
    3,602.70x = 18,224,077.82
  5. Step 5: Solve for x
    x = 18,224,077.82/3,602.70
  6. Step 6: Final answer
    x = 5,058.45

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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.