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Finding the Fourth Proportional to 57,339.78, 86,015.10 and 22,282.14

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Solution

The fourth proportional to 57,339.78, 86,015.10 and 22,282.14 is: 33,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,339.78 : 86,015.10 = 22,282.14 : x
  2. Step 2: Convert to fraction form
    57,339.78/86,015.10 = 22,282.14/x
  3. Step 3: Cross multiply
    57,339.78x = 86,015.10 × 22,282.14
  4. Step 4: Simplify right side
    57,339.78x = 1,916,600,500.31
  5. Step 5: Solve for x
    x = 1,916,600,500.31/57,339.78
  6. Step 6: Final answer
    x = 33,425.32

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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.