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Finding the Fourth Proportional to 66,208.66, 91,366.86 and 35,994.73

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Solution

The fourth proportional to 66,208.66, 91,366.86 and 35,994.73 is: 49,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208.66 : 91,366.86 = 35,994.73 : x
  2. Step 2: Convert to fraction form
    66,208.66/91,366.86 = 35,994.73/x
  3. Step 3: Cross multiply
    66,208.66x = 91,366.86 × 35,994.73
  4. Step 4: Simplify right side
    66,208.66x = 3,288,725,456.65
  5. Step 5: Solve for x
    x = 3,288,725,456.65/66,208.66
  6. Step 6: Final answer
    x = 49,672.13

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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.