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Finding the Fourth Proportional to 6,992.83, 10,527.52 and 6,380.47

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Solution

The fourth proportional to 6,992.83, 10,527.52 and 6,380.47 is: 9,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.83 : 10,527.52 = 6,380.47 : x
  2. Step 2: Convert to fraction form
    6,992.83/10,527.52 = 6,380.47/x
  3. Step 3: Cross multiply
    6,992.83x = 10,527.52 × 6,380.47
  4. Step 4: Simplify right side
    6,992.83x = 67,170,440.99
  5. Step 5: Solve for x
    x = 67,170,440.99/6,992.83
  6. Step 6: Final answer
    x = 9,605.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.