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Finding the Fourth Proportional to 3,669.68, 5,498.04 and 3,578.96

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Solution

The fourth proportional to 3,669.68, 5,498.04 and 3,578.96 is: 5,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.68 : 5,498.04 = 3,578.96 : x
  2. Step 2: Convert to fraction form
    3,669.68/5,498.04 = 3,578.96/x
  3. Step 3: Cross multiply
    3,669.68x = 5,498.04 × 3,578.96
  4. Step 4: Simplify right side
    3,669.68x = 19,677,265.24
  5. Step 5: Solve for x
    x = 19,677,265.24/3,669.68
  6. Step 6: Final answer
    x = 5,362.12

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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.