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Finding the Fourth Proportional to 73,882.80, 110,893.80 and 38,847.60

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Solution

The fourth proportional to 73,882.80, 110,893.80 and 38,847.60 is: 58,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,882.80 : 110,893.80 = 38,847.60 : x
  2. Step 2: Convert to fraction form
    73,882.80/110,893.80 = 38,847.60/x
  3. Step 3: Cross multiply
    73,882.80x = 110,893.80 × 38,847.60
  4. Step 4: Simplify right side
    73,882.80x = 4,307,957,984.88
  5. Step 5: Solve for x
    x = 4,307,957,984.88/73,882.80
  6. Step 6: Final answer
    x = 58,308.00

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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.