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Finding the Fourth Proportional to 6,901.29, 9,524.01 and 3,917.25

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Solution

The fourth proportional to 6,901.29, 9,524.01 and 3,917.25 is: 5,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.29 : 9,524.01 = 3,917.25 : x
  2. Step 2: Convert to fraction form
    6,901.29/9,524.01 = 3,917.25/x
  3. Step 3: Cross multiply
    6,901.29x = 9,524.01 × 3,917.25
  4. Step 4: Simplify right side
    6,901.29x = 37,307,942.86
  5. Step 5: Solve for x
    x = 37,307,942.86/6,901.29
  6. Step 6: Final answer
    x = 5,405.94

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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.