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Finding the Fourth Proportional to 6,392.84, 9,589.18 and 1,775.80

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Solution

The fourth proportional to 6,392.84, 9,589.18 and 1,775.80 is: 2,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.84 : 9,589.18 = 1,775.80 : x
  2. Step 2: Convert to fraction form
    6,392.84/9,589.18 = 1,775.80/x
  3. Step 3: Cross multiply
    6,392.84x = 9,589.18 × 1,775.80
  4. Step 4: Simplify right side
    6,392.84x = 17,028,465.84
  5. Step 5: Solve for x
    x = 17,028,465.84/6,392.84
  6. Step 6: Final answer
    x = 2,663.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.