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Finding the Fourth Proportional to 2,009.73, 3,014.70 and 548.70

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Solution

The fourth proportional to 2,009.73, 3,014.70 and 548.70 is: 823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.73 : 3,014.70 = 548.70 : x
  2. Step 2: Convert to fraction form
    2,009.73/3,014.70 = 548.70/x
  3. Step 3: Cross multiply
    2,009.73x = 3,014.70 × 548.70
  4. Step 4: Simplify right side
    2,009.73x = 1,654,165.89
  5. Step 5: Solve for x
    x = 1,654,165.89/2,009.73
  6. Step 6: Final answer
    x = 823.08

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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.