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Finding the Fourth Proportional to 6,338.16, 8,749.26 and 4,328.22

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Solution

The fourth proportional to 6,338.16, 8,749.26 and 4,328.22 is: 5,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.16 : 8,749.26 = 4,328.22 : x
  2. Step 2: Convert to fraction form
    6,338.16/8,749.26 = 4,328.22/x
  3. Step 3: Cross multiply
    6,338.16x = 8,749.26 × 4,328.22
  4. Step 4: Simplify right side
    6,338.16x = 37,868,722.12
  5. Step 5: Solve for x
    x = 37,868,722.12/6,338.16
  6. Step 6: Final answer
    x = 5,974.72

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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.