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Finding the Fourth Proportional to 6,693.79, 9,236.68 and 3,708.88

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Solution

The fourth proportional to 6,693.79, 9,236.68 and 3,708.88 is: 5,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.79 : 9,236.68 = 3,708.88 : x
  2. Step 2: Convert to fraction form
    6,693.79/9,236.68 = 3,708.88/x
  3. Step 3: Cross multiply
    6,693.79x = 9,236.68 × 3,708.88
  4. Step 4: Simplify right side
    6,693.79x = 34,257,737.72
  5. Step 5: Solve for x
    x = 34,257,737.72/6,693.79
  6. Step 6: Final answer
    x = 5,117.84

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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.