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Finding the Fourth Proportional to 5,768.28, 7,950.92 and 5,010.12

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Solution

The fourth proportional to 5,768.28, 7,950.92 and 5,010.12 is: 6,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.28 : 7,950.92 = 5,010.12 : x
  2. Step 2: Convert to fraction form
    5,768.28/7,950.92 = 5,010.12/x
  3. Step 3: Cross multiply
    5,768.28x = 7,950.92 × 5,010.12
  4. Step 4: Simplify right side
    5,768.28x = 39,835,063.31
  5. Step 5: Solve for x
    x = 39,835,063.31/5,768.28
  6. Step 6: Final answer
    x = 6,905.88

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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.