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Finding the Fourth Proportional to 3,738.08, 5,605.80 and 3,700.64

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Solution

The fourth proportional to 3,738.08, 5,605.80 and 3,700.64 is: 5,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.08 : 5,605.80 = 3,700.64 : x
  2. Step 2: Convert to fraction form
    3,738.08/5,605.80 = 3,700.64/x
  3. Step 3: Cross multiply
    3,738.08x = 5,605.80 × 3,700.64
  4. Step 4: Simplify right side
    3,738.08x = 20,745,047.71
  5. Step 5: Solve for x
    x = 20,745,047.71/3,738.08
  6. Step 6: Final answer
    x = 5,549.65

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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.