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Finding the Fourth Proportional to 2,008.16, 3,012.26 and 547.34

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Solution

The fourth proportional to 2,008.16, 3,012.26 and 547.34 is: 821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.16 : 3,012.26 = 547.34 : x
  2. Step 2: Convert to fraction form
    2,008.16/3,012.26 = 547.34/x
  3. Step 3: Cross multiply
    2,008.16x = 3,012.26 × 547.34
  4. Step 4: Simplify right side
    2,008.16x = 1,648,712.59
  5. Step 5: Solve for x
    x = 1,648,712.59/2,008.16
  6. Step 6: Final answer
    x = 821.01

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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.