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Finding the Fourth Proportional to 7,797.51, 10,757.12 and 4,651.88

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Solution

The fourth proportional to 7,797.51, 10,757.12 and 4,651.88 is: 6,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.51 : 10,757.12 = 4,651.88 : x
  2. Step 2: Convert to fraction form
    7,797.51/10,757.12 = 4,651.88/x
  3. Step 3: Cross multiply
    7,797.51x = 10,757.12 × 4,651.88
  4. Step 4: Simplify right side
    7,797.51x = 50,040,754.34
  5. Step 5: Solve for x
    x = 50,040,754.34/7,797.51
  6. Step 6: Final answer
    x = 6,417.53

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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.