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Finding the Fourth Proportional to 60,138.93, 82,995.62 and 33,281.43

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Solution

The fourth proportional to 60,138.93, 82,995.62 and 33,281.43 is: 45,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,138.93 : 82,995.62 = 33,281.43 : x
  2. Step 2: Convert to fraction form
    60,138.93/82,995.62 = 33,281.43/x
  3. Step 3: Cross multiply
    60,138.93x = 82,995.62 × 33,281.43
  4. Step 4: Simplify right side
    60,138.93x = 2,762,212,750.93
  5. Step 5: Solve for x
    x = 2,762,212,750.93/60,138.93
  6. Step 6: Final answer
    x = 45,930.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.