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Finding the Fourth Proportional to 6,910.71, 9,530.08 and 4,388.37

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Solution

The fourth proportional to 6,910.71, 9,530.08 and 4,388.37 is: 6,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.71 : 9,530.08 = 4,388.37 : x
  2. Step 2: Convert to fraction form
    6,910.71/9,530.08 = 4,388.37/x
  3. Step 3: Cross multiply
    6,910.71x = 9,530.08 × 4,388.37
  4. Step 4: Simplify right side
    6,910.71x = 41,821,517.17
  5. Step 5: Solve for x
    x = 41,821,517.17/6,910.71
  6. Step 6: Final answer
    x = 6,051.70

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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.