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Finding the Fourth Proportional to 8,824.70, 13,237.06 and 5,540.10

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Solution

The fourth proportional to 8,824.70, 13,237.06 and 5,540.10 is: 8,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.70 : 13,237.06 = 5,540.10 : x
  2. Step 2: Convert to fraction form
    8,824.70/13,237.06 = 5,540.10/x
  3. Step 3: Cross multiply
    8,824.70x = 13,237.06 × 5,540.10
  4. Step 4: Simplify right side
    8,824.70x = 73,334,608.41
  5. Step 5: Solve for x
    x = 73,334,608.41/8,824.70
  6. Step 6: Final answer
    x = 8,310.15

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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.