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Finding the Fourth Proportional to 2,010.24, 3,015.45 and 549.36

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Solution

The fourth proportional to 2,010.24, 3,015.45 and 549.36 is: 824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.24 : 3,015.45 = 549.36 : x
  2. Step 2: Convert to fraction form
    2,010.24/3,015.45 = 549.36/x
  3. Step 3: Cross multiply
    2,010.24x = 3,015.45 × 549.36
  4. Step 4: Simplify right side
    2,010.24x = 1,656,567.61
  5. Step 5: Solve for x
    x = 1,656,567.61/2,010.24
  6. Step 6: Final answer
    x = 824.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.