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Finding the Fourth Proportional to 7,600.84, 10,489.38 and 4,243.59

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Solution

The fourth proportional to 7,600.84, 10,489.38 and 4,243.59 is: 5,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.84 : 10,489.38 = 4,243.59 : x
  2. Step 2: Convert to fraction form
    7,600.84/10,489.38 = 4,243.59/x
  3. Step 3: Cross multiply
    7,600.84x = 10,489.38 × 4,243.59
  4. Step 4: Simplify right side
    7,600.84x = 44,512,628.07
  5. Step 5: Solve for x
    x = 44,512,628.07/7,600.84
  6. Step 6: Final answer
    x = 5,856.28

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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.