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Finding the Fourth Proportional to 1,776.64, 2,663.04 and 1,453.44

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Solution

The fourth proportional to 1,776.64, 2,663.04 and 1,453.44 is: 2,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.64 : 2,663.04 = 1,453.44 : x
  2. Step 2: Convert to fraction form
    1,776.64/2,663.04 = 1,453.44/x
  3. Step 3: Cross multiply
    1,776.64x = 2,663.04 × 1,453.44
  4. Step 4: Simplify right side
    1,776.64x = 3,870,568.86
  5. Step 5: Solve for x
    x = 3,870,568.86/1,776.64
  6. Step 6: Final answer
    x = 2,178.59

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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.