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Finding the Fourth Proportional to 7,392.39, 10,201.44 and 4,035.18

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Solution

The fourth proportional to 7,392.39, 10,201.44 and 4,035.18 is: 5,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.39 : 10,201.44 = 4,035.18 : x
  2. Step 2: Convert to fraction form
    7,392.39/10,201.44 = 4,035.18/x
  3. Step 3: Cross multiply
    7,392.39x = 10,201.44 × 4,035.18
  4. Step 4: Simplify right side
    7,392.39x = 41,164,700.05
  5. Step 5: Solve for x
    x = 41,164,700.05/7,392.39
  6. Step 6: Final answer
    x = 5,568.53

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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.