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Finding the Fourth Proportional to 2,014.94, 3,022.31 and 554.11

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Solution

The fourth proportional to 2,014.94, 3,022.31 and 554.11 is: 831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.94 : 3,022.31 = 554.11 : x
  2. Step 2: Convert to fraction form
    2,014.94/3,022.31 = 554.11/x
  3. Step 3: Cross multiply
    2,014.94x = 3,022.31 × 554.11
  4. Step 4: Simplify right side
    2,014.94x = 1,674,686.02
  5. Step 5: Solve for x
    x = 1,674,686.02/2,014.94
  6. Step 6: Final answer
    x = 831.13

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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.