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Finding the Fourth Proportional to 2,992.02, 4,488.93 and 1,018.02

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Solution

The fourth proportional to 2,992.02, 4,488.93 and 1,018.02 is: 1,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.02 : 4,488.93 = 1,018.02 : x
  2. Step 2: Convert to fraction form
    2,992.02/4,488.93 = 1,018.02/x
  3. Step 3: Cross multiply
    2,992.02x = 4,488.93 × 1,018.02
  4. Step 4: Simplify right side
    2,992.02x = 4,569,820.52
  5. Step 5: Solve for x
    x = 4,569,820.52/2,992.02
  6. Step 6: Final answer
    x = 1,527.34

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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.