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Finding the Fourth Proportional to 1,932.46, 2,898.69 and 836.68

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Solution

The fourth proportional to 1,932.46, 2,898.69 and 836.68 is: 1,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.46 : 2,898.69 = 836.68 : x
  2. Step 2: Convert to fraction form
    1,932.46/2,898.69 = 836.68/x
  3. Step 3: Cross multiply
    1,932.46x = 2,898.69 × 836.68
  4. Step 4: Simplify right side
    1,932.46x = 2,425,271.00
  5. Step 5: Solve for x
    x = 2,425,271.00/1,932.46
  6. Step 6: Final answer
    x = 1,255.02

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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.