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Finding the Fourth Proportional to 2,898.70, 4,348.06 and 950.91

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Solution

The fourth proportional to 2,898.70, 4,348.06 and 950.91 is: 1,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.70 : 4,348.06 = 950.91 : x
  2. Step 2: Convert to fraction form
    2,898.70/4,348.06 = 950.91/x
  3. Step 3: Cross multiply
    2,898.70x = 4,348.06 × 950.91
  4. Step 4: Simplify right side
    2,898.70x = 4,134,600.40
  5. Step 5: Solve for x
    x = 4,134,600.40/2,898.70
  6. Step 6: Final answer
    x = 1,426.36

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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.