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Finding the Fourth Proportional to 3,700.68, 5,551.88 and 3,292.88

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Solution

The fourth proportional to 3,700.68, 5,551.88 and 3,292.88 is: 4,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.68 : 5,551.88 = 3,292.88 : x
  2. Step 2: Convert to fraction form
    3,700.68/5,551.88 = 3,292.88/x
  3. Step 3: Cross multiply
    3,700.68x = 5,551.88 × 3,292.88
  4. Step 4: Simplify right side
    3,700.68x = 18,281,674.61
  5. Step 5: Solve for x
    x = 18,281,674.61/3,700.68
  6. Step 6: Final answer
    x = 4,940.09

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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.