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Finding the Fourth Proportional to 4,404.64, 6,606.32 and 1,668

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Solution

The fourth proportional to 4,404.64, 6,606.32 and 1,668 is: 2,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,404.64 : 6,606.32 = 1,668 : x
  2. Step 2: Convert to fraction form
    4,404.64/6,606.32 = 1,668/x
  3. Step 3: Cross multiply
    4,404.64x = 6,606.32 × 1,668
  4. Step 4: Simplify right side
    4,404.64x = 11,019,341.76
  5. Step 5: Solve for x
    x = 11,019,341.76/4,404.64
  6. Step 6: Final answer
    x = 2,501.76

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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.