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Finding the Fourth Proportional to 83,993.52, 125,989.47 and 24,830.31

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Solution

The fourth proportional to 83,993.52, 125,989.47 and 24,830.31 is: 37,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,993.52 : 125,989.47 = 24,830.31 : x
  2. Step 2: Convert to fraction form
    83,993.52/125,989.47 = 24,830.31/x
  3. Step 3: Cross multiply
    83,993.52x = 125,989.47 × 24,830.31
  4. Step 4: Simplify right side
    83,993.52x = 3,128,357,596.84
  5. Step 5: Solve for x
    x = 3,128,357,596.84/83,993.52
  6. Step 6: Final answer
    x = 37,245.23

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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.