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Finding the Fourth Proportional to 6,358.50, 8,775.28 and 3,564.54

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Solution

The fourth proportional to 6,358.50, 8,775.28 and 3,564.54 is: 4,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.50 : 8,775.28 = 3,564.54 : x
  2. Step 2: Convert to fraction form
    6,358.50/8,775.28 = 3,564.54/x
  3. Step 3: Cross multiply
    6,358.50x = 8,775.28 × 3,564.54
  4. Step 4: Simplify right side
    6,358.50x = 31,279,836.57
  5. Step 5: Solve for x
    x = 31,279,836.57/6,358.50
  6. Step 6: Final answer
    x = 4,919.37

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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.