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Finding the Fourth Proportional to 10,844.16, 16,255.06 and 5,290.66

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Solution

The fourth proportional to 10,844.16, 16,255.06 and 5,290.66 is: 7,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,844.16 : 16,255.06 = 5,290.66 : x
  2. Step 2: Convert to fraction form
    10,844.16/16,255.06 = 5,290.66/x
  3. Step 3: Cross multiply
    10,844.16x = 16,255.06 × 5,290.66
  4. Step 4: Simplify right side
    10,844.16x = 85,999,995.74
  5. Step 5: Solve for x
    x = 85,999,995.74/10,844.16
  6. Step 6: Final answer
    x = 7,930.54

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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.