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Finding the Fourth Proportional to 1,933.34, 2,898.48 and 836.94

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Solution

The fourth proportional to 1,933.34, 2,898.48 and 836.94 is: 1,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.34 : 2,898.48 = 836.94 : x
  2. Step 2: Convert to fraction form
    1,933.34/2,898.48 = 836.94/x
  3. Step 3: Cross multiply
    1,933.34x = 2,898.48 × 836.94
  4. Step 4: Simplify right side
    1,933.34x = 2,425,853.85
  5. Step 5: Solve for x
    x = 2,425,853.85/1,933.34
  6. Step 6: Final answer
    x = 1,254.75

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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.