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Finding the Fourth Proportional to 6,465.92, 8,968.32 and 6,203.48

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Solution

The fourth proportional to 6,465.92, 8,968.32 and 6,203.48 is: 8,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.92 : 8,968.32 = 6,203.48 : x
  2. Step 2: Convert to fraction form
    6,465.92/8,968.32 = 6,203.48/x
  3. Step 3: Cross multiply
    6,465.92x = 8,968.32 × 6,203.48
  4. Step 4: Simplify right side
    6,465.92x = 55,634,793.75
  5. Step 5: Solve for x
    x = 55,634,793.75/6,465.92
  6. Step 6: Final answer
    x = 8,604.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.