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Finding the Fourth Proportional to 93,487.80, 140,287.90 and 33,511.62

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Solution

The fourth proportional to 93,487.80, 140,287.90 and 33,511.62 is: 50,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,487.80 : 140,287.90 = 33,511.62 : x
  2. Step 2: Convert to fraction form
    93,487.80/140,287.90 = 33,511.62/x
  3. Step 3: Cross multiply
    93,487.80x = 140,287.90 × 33,511.62
  4. Step 4: Simplify right side
    93,487.80x = 4,701,274,795.40
  5. Step 5: Solve for x
    x = 4,701,274,795.40/93,487.80
  6. Step 6: Final answer
    x = 50,287.58

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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.