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Finding the Fourth Proportional to 83,548.92, 125,351.46 and 30,962.64

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Solution

The fourth proportional to 83,548.92, 125,351.46 and 30,962.64 is: 46,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,548.92 : 125,351.46 = 30,962.64 : x
  2. Step 2: Convert to fraction form
    83,548.92/125,351.46 = 30,962.64/x
  3. Step 3: Cross multiply
    83,548.92x = 125,351.46 × 30,962.64
  4. Step 4: Simplify right side
    83,548.92x = 3,881,212,129.45
  5. Step 5: Solve for x
    x = 3,881,212,129.45/83,548.92
  6. Step 6: Final answer
    x = 46,454.37

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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.