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Finding the Fourth Proportional to 6,901.38, 9,524.34 and 3,916.08

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Solution

The fourth proportional to 6,901.38, 9,524.34 and 3,916.08 is: 5,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.38 : 9,524.34 = 3,916.08 : x
  2. Step 2: Convert to fraction form
    6,901.38/9,524.34 = 3,916.08/x
  3. Step 3: Cross multiply
    6,901.38x = 9,524.34 × 3,916.08
  4. Step 4: Simplify right side
    6,901.38x = 37,298,077.39
  5. Step 5: Solve for x
    x = 37,298,077.39/6,901.38
  6. Step 6: Final answer
    x = 5,404.44

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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.