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Finding the Fourth Proportional to 4,754.68, 6,561.78 and 2,658.82

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Solution

The fourth proportional to 4,754.68, 6,561.78 and 2,658.82 is: 3,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.68 : 6,561.78 = 2,658.82 : x
  2. Step 2: Convert to fraction form
    4,754.68/6,561.78 = 2,658.82/x
  3. Step 3: Cross multiply
    4,754.68x = 6,561.78 × 2,658.82
  4. Step 4: Simplify right side
    4,754.68x = 17,446,591.90
  5. Step 5: Solve for x
    x = 17,446,591.90/4,754.68
  6. Step 6: Final answer
    x = 3,669.35

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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.