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Finding the Fourth Proportional to 7,773.68, 11,645.40 and 6,901.04

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Solution

The fourth proportional to 7,773.68, 11,645.40 and 6,901.04 is: 10,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.68 : 11,645.40 = 6,901.04 : x
  2. Step 2: Convert to fraction form
    7,773.68/11,645.40 = 6,901.04/x
  3. Step 3: Cross multiply
    7,773.68x = 11,645.40 × 6,901.04
  4. Step 4: Simplify right side
    7,773.68x = 80,365,371.22
  5. Step 5: Solve for x
    x = 80,365,371.22/7,773.68
  6. Step 6: Final answer
    x = 10,338.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.