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Finding the Fourth Proportional to 58,479.80, 80,702.57 and 32,286.59

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Solution

The fourth proportional to 58,479.80, 80,702.57 and 32,286.59 is: 44,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,479.80 : 80,702.57 = 32,286.59 : x
  2. Step 2: Convert to fraction form
    58,479.80/80,702.57 = 32,286.59/x
  3. Step 3: Cross multiply
    58,479.80x = 80,702.57 × 32,286.59
  4. Step 4: Simplify right side
    58,479.80x = 2,605,611,072.01
  5. Step 5: Solve for x
    x = 2,605,611,072.01/58,479.80
  6. Step 6: Final answer
    x = 44,555.75

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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.