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Finding the Fourth Proportional to 2,998.47, 4,491.16 and 2,472.56

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Solution

The fourth proportional to 2,998.47, 4,491.16 and 2,472.56 is: 3,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.47 : 4,491.16 = 2,472.56 : x
  2. Step 2: Convert to fraction form
    2,998.47/4,491.16 = 2,472.56/x
  3. Step 3: Cross multiply
    2,998.47x = 4,491.16 × 2,472.56
  4. Step 4: Simplify right side
    2,998.47x = 11,104,664.68
  5. Step 5: Solve for x
    x = 11,104,664.68/2,998.47
  6. Step 6: Final answer
    x = 3,703.45

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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.