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Finding the Fourth Proportional to 8,906.44, 13,370.01 and 5,211.32

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Solution

The fourth proportional to 8,906.44, 13,370.01 and 5,211.32 is: 7,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.44 : 13,370.01 = 5,211.32 : x
  2. Step 2: Convert to fraction form
    8,906.44/13,370.01 = 5,211.32/x
  3. Step 3: Cross multiply
    8,906.44x = 13,370.01 × 5,211.32
  4. Step 4: Simplify right side
    8,906.44x = 69,675,400.51
  5. Step 5: Solve for x
    x = 69,675,400.51/8,906.44
  6. Step 6: Final answer
    x = 7,823.04

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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.