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Finding the Fourth Proportional to 2,005.68, 3,008.53 and 544.98

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Solution

The fourth proportional to 2,005.68, 3,008.53 and 544.98 is: 817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.68 : 3,008.53 = 544.98 : x
  2. Step 2: Convert to fraction form
    2,005.68/3,008.53 = 544.98/x
  3. Step 3: Cross multiply
    2,005.68x = 3,008.53 × 544.98
  4. Step 4: Simplify right side
    2,005.68x = 1,639,588.68
  5. Step 5: Solve for x
    x = 1,639,588.68/2,005.68
  6. Step 6: Final answer
    x = 817.47

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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.