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Finding the Fourth Proportional to 2,992.88, 4,130.17 and 1,750.88

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Solution

The fourth proportional to 2,992.88, 4,130.17 and 1,750.88 is: 2,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.88 : 4,130.17 = 1,750.88 : x
  2. Step 2: Convert to fraction form
    2,992.88/4,130.17 = 1,750.88/x
  3. Step 3: Cross multiply
    2,992.88x = 4,130.17 × 1,750.88
  4. Step 4: Simplify right side
    2,992.88x = 7,231,407.02
  5. Step 5: Solve for x
    x = 7,231,407.02/2,992.88
  6. Step 6: Final answer
    x = 2,416.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.