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Finding the Fourth Proportional to 6,114.96, 8,438.95 and 3,462.20

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Solution

The fourth proportional to 6,114.96, 8,438.95 and 3,462.20 is: 4,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.96 : 8,438.95 = 3,462.20 : x
  2. Step 2: Convert to fraction form
    6,114.96/8,438.95 = 3,462.20/x
  3. Step 3: Cross multiply
    6,114.96x = 8,438.95 × 3,462.20
  4. Step 4: Simplify right side
    6,114.96x = 29,217,332.69
  5. Step 5: Solve for x
    x = 29,217,332.69/6,114.96
  6. Step 6: Final answer
    x = 4,778.01

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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.