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Finding the Fourth Proportional to 4,028.05, 5,564.04 and 3,358.05

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Solution

The fourth proportional to 4,028.05, 5,564.04 and 3,358.05 is: 4,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.05 : 5,564.04 = 3,358.05 : x
  2. Step 2: Convert to fraction form
    4,028.05/5,564.04 = 3,358.05/x
  3. Step 3: Cross multiply
    4,028.05x = 5,564.04 × 3,358.05
  4. Step 4: Simplify right side
    4,028.05x = 18,684,324.52
  5. Step 5: Solve for x
    x = 18,684,324.52/4,028.05
  6. Step 6: Final answer
    x = 4,638.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.