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Finding the Fourth Proportional to 66,671.08, 92,005.86 and 36,863.08

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Solution

The fourth proportional to 66,671.08, 92,005.86 and 36,863.08 is: 50,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,671.08 : 92,005.86 = 36,863.08 : x
  2. Step 2: Convert to fraction form
    66,671.08/92,005.86 = 36,863.08/x
  3. Step 3: Cross multiply
    66,671.08x = 92,005.86 × 36,863.08
  4. Step 4: Simplify right side
    66,671.08x = 3,391,619,377.65
  5. Step 5: Solve for x
    x = 3,391,619,377.65/66,671.08
  6. Step 6: Final answer
    x = 50,870.92

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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.