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Finding the Fourth Proportional to 83,913.66, 125,870.82 and 33,994.72

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Solution

The fourth proportional to 83,913.66, 125,870.82 and 33,994.72 is: 50,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,913.66 : 125,870.82 = 33,994.72 : x
  2. Step 2: Convert to fraction form
    83,913.66/125,870.82 = 33,994.72/x
  3. Step 3: Cross multiply
    83,913.66x = 125,870.82 × 33,994.72
  4. Step 4: Simplify right side
    83,913.66x = 4,278,943,282.07
  5. Step 5: Solve for x
    x = 4,278,943,282.07/83,913.66
  6. Step 6: Final answer
    x = 50,992.21

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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.