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Finding the Fourth Proportional to 6,754.78, 9,347.16 and 5,758.48

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Solution

The fourth proportional to 6,754.78, 9,347.16 and 5,758.48 is: 7,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.78 : 9,347.16 = 5,758.48 : x
  2. Step 2: Convert to fraction form
    6,754.78/9,347.16 = 5,758.48/x
  3. Step 3: Cross multiply
    6,754.78x = 9,347.16 × 5,758.48
  4. Step 4: Simplify right side
    6,754.78x = 53,825,433.92
  5. Step 5: Solve for x
    x = 53,825,433.92/6,754.78
  6. Step 6: Final answer
    x = 7,968.50

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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.