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Finding the Fourth Proportional to 57,883.20, 86,803.20 and 22,815.60

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Solution

The fourth proportional to 57,883.20, 86,803.20 and 22,815.60 is: 34,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,883.20 : 86,803.20 = 22,815.60 : x
  2. Step 2: Convert to fraction form
    57,883.20/86,803.20 = 22,815.60/x
  3. Step 3: Cross multiply
    57,883.20x = 86,803.20 × 22,815.60
  4. Step 4: Simplify right side
    57,883.20x = 1,980,467,089.92
  5. Step 5: Solve for x
    x = 1,980,467,089.92/57,883.20
  6. Step 6: Final answer
    x = 34,214.89

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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.