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Finding the Fourth Proportional to 7,399.78, 10,205.32 and 6,593.32

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Solution

The fourth proportional to 7,399.78, 10,205.32 and 6,593.32 is: 9,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.78 : 10,205.32 = 6,593.32 : x
  2. Step 2: Convert to fraction form
    7,399.78/10,205.32 = 6,593.32/x
  3. Step 3: Cross multiply
    7,399.78x = 10,205.32 × 6,593.32
  4. Step 4: Simplify right side
    7,399.78x = 67,286,889.44
  5. Step 5: Solve for x
    x = 67,286,889.44/7,399.78
  6. Step 6: Final answer
    x = 9,093.10

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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.