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Finding the Fourth Proportional to 6,992.31, 9,645.15 and 4,473.54

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Solution

The fourth proportional to 6,992.31, 9,645.15 and 4,473.54 is: 6,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.31 : 9,645.15 = 4,473.54 : x
  2. Step 2: Convert to fraction form
    6,992.31/9,645.15 = 4,473.54/x
  3. Step 3: Cross multiply
    6,992.31x = 9,645.15 × 4,473.54
  4. Step 4: Simplify right side
    6,992.31x = 43,147,981.11
  5. Step 5: Solve for x
    x = 43,147,981.11/6,992.31
  6. Step 6: Final answer
    x = 6,170.77

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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.