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Finding the Fourth Proportional to 3,695.55, 5,544.74 and 2,642.55

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Solution

The fourth proportional to 3,695.55, 5,544.74 and 2,642.55 is: 3,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.55 : 5,544.74 = 2,642.55 : x
  2. Step 2: Convert to fraction form
    3,695.55/5,544.74 = 2,642.55/x
  3. Step 3: Cross multiply
    3,695.55x = 5,544.74 × 2,642.55
  4. Step 4: Simplify right side
    3,695.55x = 14,652,252.69
  5. Step 5: Solve for x
    x = 14,652,252.69/3,695.55
  6. Step 6: Final answer
    x = 3,964.84

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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.