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Finding the Fourth Proportional to 5,360.96, 7,398.10 and 3,003.12

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Solution

The fourth proportional to 5,360.96, 7,398.10 and 3,003.12 is: 4,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.96 : 7,398.10 = 3,003.12 : x
  2. Step 2: Convert to fraction form
    5,360.96/7,398.10 = 3,003.12/x
  3. Step 3: Cross multiply
    5,360.96x = 7,398.10 × 3,003.12
  4. Step 4: Simplify right side
    5,360.96x = 22,217,382.07
  5. Step 5: Solve for x
    x = 22,217,382.07/5,360.96
  6. Step 6: Final answer
    x = 4,144.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.