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Finding the Fourth Proportional to 3,946.19, 5,919.29 and 1,024.52

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Solution

The fourth proportional to 3,946.19, 5,919.29 and 1,024.52 is: 1,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.19 : 5,919.29 = 1,024.52 : x
  2. Step 2: Convert to fraction form
    3,946.19/5,919.29 = 1,024.52/x
  3. Step 3: Cross multiply
    3,946.19x = 5,919.29 × 1,024.52
  4. Step 4: Simplify right side
    3,946.19x = 6,064,396.27
  5. Step 5: Solve for x
    x = 6,064,396.27/3,946.19
  6. Step 6: Final answer
    x = 1,536.77

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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.