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Finding the Fourth Proportional to 48,316.62, 72,336.69 and 32,706.30

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Solution

The fourth proportional to 48,316.62, 72,336.69 and 32,706.30 is: 48,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,316.62 : 72,336.69 = 32,706.30 : x
  2. Step 2: Convert to fraction form
    48,316.62/72,336.69 = 32,706.30/x
  3. Step 3: Cross multiply
    48,316.62x = 72,336.69 × 32,706.30
  4. Step 4: Simplify right side
    48,316.62x = 2,365,865,484.15
  5. Step 5: Solve for x
    x = 2,365,865,484.15/48,316.62
  6. Step 6: Final answer
    x = 48,965.87

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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.