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Finding the Fourth Proportional to 36,897.80, 55,200.90 and 32,021.60

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Solution

The fourth proportional to 36,897.80, 55,200.90 and 32,021.60 is: 47,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,897.80 : 55,200.90 = 32,021.60 : x
  2. Step 2: Convert to fraction form
    36,897.80/55,200.90 = 32,021.60/x
  3. Step 3: Cross multiply
    36,897.80x = 55,200.90 × 32,021.60
  4. Step 4: Simplify right side
    36,897.80x = 1,767,621,139.44
  5. Step 5: Solve for x
    x = 1,767,621,139.44/36,897.80
  6. Step 6: Final answer
    x = 47,905.87

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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.