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Finding the Fourth Proportional to 2,898.04, 4,342.09 and 1,946.42

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Solution

The fourth proportional to 2,898.04, 4,342.09 and 1,946.42 is: 2,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.04 : 4,342.09 = 1,946.42 : x
  2. Step 2: Convert to fraction form
    2,898.04/4,342.09 = 1,946.42/x
  3. Step 3: Cross multiply
    2,898.04x = 4,342.09 × 1,946.42
  4. Step 4: Simplify right side
    2,898.04x = 8,451,509.11
  5. Step 5: Solve for x
    x = 8,451,509.11/2,898.04
  6. Step 6: Final answer
    x = 2,916.29

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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.