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Finding the Fourth Proportional to 2,401.60, 3,602.26 and 670.22

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Solution

The fourth proportional to 2,401.60, 3,602.26 and 670.22 is: 1,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.60 : 3,602.26 = 670.22 : x
  2. Step 2: Convert to fraction form
    2,401.60/3,602.26 = 670.22/x
  3. Step 3: Cross multiply
    2,401.60x = 3,602.26 × 670.22
  4. Step 4: Simplify right side
    2,401.60x = 2,414,306.70
  5. Step 5: Solve for x
    x = 2,414,306.70/2,401.60
  6. Step 6: Final answer
    x = 1,005.29

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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.