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Finding the Fourth Proportional to 6,338.57, 9,475.44 and 4,679.69

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Solution

The fourth proportional to 6,338.57, 9,475.44 and 4,679.69 is: 6,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.57 : 9,475.44 = 4,679.69 : x
  2. Step 2: Convert to fraction form
    6,338.57/9,475.44 = 4,679.69/x
  3. Step 3: Cross multiply
    6,338.57x = 9,475.44 × 4,679.69
  4. Step 4: Simplify right side
    6,338.57x = 44,342,056.89
  5. Step 5: Solve for x
    x = 44,342,056.89/6,338.57
  6. Step 6: Final answer
    x = 6,995.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.