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Finding the Fourth Proportional to 36,801.68, 55,202.88 and 9,099.68

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Solution

The fourth proportional to 36,801.68, 55,202.88 and 9,099.68 is: 13,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,801.68 : 55,202.88 = 9,099.68 : x
  2. Step 2: Convert to fraction form
    36,801.68/55,202.88 = 9,099.68/x
  3. Step 3: Cross multiply
    36,801.68x = 55,202.88 × 9,099.68
  4. Step 4: Simplify right side
    36,801.68x = 502,328,543.08
  5. Step 5: Solve for x
    x = 502,328,543.08/36,801.68
  6. Step 6: Final answer
    x = 13,649.61

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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.