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Finding the Fourth Proportional to 7,600.56, 10,489.20 and 5,363.16

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Solution

The fourth proportional to 7,600.56, 10,489.20 and 5,363.16 is: 7,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.56 : 10,489.20 = 5,363.16 : x
  2. Step 2: Convert to fraction form
    7,600.56/10,489.20 = 5,363.16/x
  3. Step 3: Cross multiply
    7,600.56x = 10,489.20 × 5,363.16
  4. Step 4: Simplify right side
    7,600.56x = 56,255,257.87
  5. Step 5: Solve for x
    x = 56,255,257.87/7,600.56
  6. Step 6: Final answer
    x = 7,401.46

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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.