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Finding the Fourth Proportional to 1,932.02, 2,898.33 and 699.30

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Solution

The fourth proportional to 1,932.02, 2,898.33 and 699.30 is: 1,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.02 : 2,898.33 = 699.30 : x
  2. Step 2: Convert to fraction form
    1,932.02/2,898.33 = 699.30/x
  3. Step 3: Cross multiply
    1,932.02x = 2,898.33 × 699.30
  4. Step 4: Simplify right side
    1,932.02x = 2,026,802.17
  5. Step 5: Solve for x
    x = 2,026,802.17/1,932.02
  6. Step 6: Final answer
    x = 1,049.06

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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.