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Finding the Fourth Proportional to 6,295.16, 8,687.12 and 3,462.51

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Solution

The fourth proportional to 6,295.16, 8,687.12 and 3,462.51 is: 4,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.16 : 8,687.12 = 3,462.51 : x
  2. Step 2: Convert to fraction form
    6,295.16/8,687.12 = 3,462.51/x
  3. Step 3: Cross multiply
    6,295.16x = 8,687.12 × 3,462.51
  4. Step 4: Simplify right side
    6,295.16x = 30,079,222.56
  5. Step 5: Solve for x
    x = 30,079,222.56/6,295.16
  6. Step 6: Final answer
    x = 4,778.15

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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.