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Finding the Fourth Proportional to 3,606.66, 4,974.31 and 2,487.34

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Solution

The fourth proportional to 3,606.66, 4,974.31 and 2,487.34 is: 3,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.66 : 4,974.31 = 2,487.34 : x
  2. Step 2: Convert to fraction form
    3,606.66/4,974.31 = 2,487.34/x
  3. Step 3: Cross multiply
    3,606.66x = 4,974.31 × 2,487.34
  4. Step 4: Simplify right side
    3,606.66x = 12,372,800.24
  5. Step 5: Solve for x
    x = 12,372,800.24/3,606.66
  6. Step 6: Final answer
    x = 3,430.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.