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Finding the Fourth Proportional to 6,294.75, 8,686.77 and 3,500.79

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Solution

The fourth proportional to 6,294.75, 8,686.77 and 3,500.79 is: 4,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.75 : 8,686.77 = 3,500.79 : x
  2. Step 2: Convert to fraction form
    6,294.75/8,686.77 = 3,500.79/x
  3. Step 3: Cross multiply
    6,294.75x = 8,686.77 × 3,500.79
  4. Step 4: Simplify right side
    6,294.75x = 30,410,557.55
  5. Step 5: Solve for x
    x = 30,410,557.55/6,294.75
  6. Step 6: Final answer
    x = 4,831.10

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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.