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Finding the Fourth Proportional to 4,493.61, 6,740.42 and 4,487.12

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Solution

The fourth proportional to 4,493.61, 6,740.42 and 4,487.12 is: 6,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.61 : 6,740.42 = 4,487.12 : x
  2. Step 2: Convert to fraction form
    4,493.61/6,740.42 = 4,487.12/x
  3. Step 3: Cross multiply
    4,493.61x = 6,740.42 × 4,487.12
  4. Step 4: Simplify right side
    4,493.61x = 30,245,042.53
  5. Step 5: Solve for x
    x = 30,245,042.53/4,493.61
  6. Step 6: Final answer
    x = 6,730.68

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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.