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Finding the Fourth Proportional to 83,392.88, 125,102.27 and 28,001.84

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Solution

The fourth proportional to 83,392.88, 125,102.27 and 28,001.84 is: 42,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,392.88 : 125,102.27 = 28,001.84 : x
  2. Step 2: Convert to fraction form
    83,392.88/125,102.27 = 28,001.84/x
  3. Step 3: Cross multiply
    83,392.88x = 125,102.27 × 28,001.84
  4. Step 4: Simplify right side
    83,392.88x = 3,503,093,192.67
  5. Step 5: Solve for x
    x = 3,503,093,192.67/83,392.88
  6. Step 6: Final answer
    x = 42,007.10

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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.