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Finding the Fourth Proportional to 6,340.08, 8,749.17 and 3,507.69

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Solution

The fourth proportional to 6,340.08, 8,749.17 and 3,507.69 is: 4,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.08 : 8,749.17 = 3,507.69 : x
  2. Step 2: Convert to fraction form
    6,340.08/8,749.17 = 3,507.69/x
  3. Step 3: Cross multiply
    6,340.08x = 8,749.17 × 3,507.69
  4. Step 4: Simplify right side
    6,340.08x = 30,689,376.12
  5. Step 5: Solve for x
    x = 30,689,376.12/6,340.08
  6. Step 6: Final answer
    x = 4,840.53

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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.