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Finding the Fourth Proportional to 8,853.70, 13,276.22 and 5,157.22

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Solution

The fourth proportional to 8,853.70, 13,276.22 and 5,157.22 is: 7,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.70 : 13,276.22 = 5,157.22 : x
  2. Step 2: Convert to fraction form
    8,853.70/13,276.22 = 5,157.22/x
  3. Step 3: Cross multiply
    8,853.70x = 13,276.22 × 5,157.22
  4. Step 4: Simplify right side
    8,853.70x = 68,468,387.31
  5. Step 5: Solve for x
    x = 68,468,387.31/8,853.70
  6. Step 6: Final answer
    x = 7,733.31

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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.