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Finding the Fourth Proportional to 2,446.69, 3,670.31 and 887.42

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Solution

The fourth proportional to 2,446.69, 3,670.31 and 887.42 is: 1,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.69 : 3,670.31 = 887.42 : x
  2. Step 2: Convert to fraction form
    2,446.69/3,670.31 = 887.42/x
  3. Step 3: Cross multiply
    2,446.69x = 3,670.31 × 887.42
  4. Step 4: Simplify right side
    2,446.69x = 3,257,083.71
  5. Step 5: Solve for x
    x = 3,257,083.71/2,446.69
  6. Step 6: Final answer
    x = 1,331.22

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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.