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Finding the Fourth Proportional to 4,614.13, 6,916.93 and 1,840.13

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Solution

The fourth proportional to 4,614.13, 6,916.93 and 1,840.13 is: 2,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.13 : 6,916.93 = 1,840.13 : x
  2. Step 2: Convert to fraction form
    4,614.13/6,916.93 = 1,840.13/x
  3. Step 3: Cross multiply
    4,614.13x = 6,916.93 × 1,840.13
  4. Step 4: Simplify right side
    4,614.13x = 12,728,006.62
  5. Step 5: Solve for x
    x = 12,728,006.62/4,614.13
  6. Step 6: Final answer
    x = 2,758.48

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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.