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Finding the Fourth Proportional to 7,992.68, 11,030.94 and 5,761.94

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Solution

The fourth proportional to 7,992.68, 11,030.94 and 5,761.94 is: 7,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.68 : 11,030.94 = 5,761.94 : x
  2. Step 2: Convert to fraction form
    7,992.68/11,030.94 = 5,761.94/x
  3. Step 3: Cross multiply
    7,992.68x = 11,030.94 × 5,761.94
  4. Step 4: Simplify right side
    7,992.68x = 63,559,559.27
  5. Step 5: Solve for x
    x = 63,559,559.27/7,992.68
  6. Step 6: Final answer
    x = 7,952.23

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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.