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Finding the Fourth Proportional to 3,484.68, 5,227.04 and 887.62

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Solution

The fourth proportional to 3,484.68, 5,227.04 and 887.62 is: 1,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.68 : 5,227.04 = 887.62 : x
  2. Step 2: Convert to fraction form
    3,484.68/5,227.04 = 887.62/x
  3. Step 3: Cross multiply
    3,484.68x = 5,227.04 × 887.62
  4. Step 4: Simplify right side
    3,484.68x = 4,639,625.24
  5. Step 5: Solve for x
    x = 4,639,625.24/3,484.68
  6. Step 6: Final answer
    x = 1,331.44

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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.