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Finding the Fourth Proportional to 4,363.68, 6,018.72 and 3,941.28

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Solution

The fourth proportional to 4,363.68, 6,018.72 and 3,941.28 is: 5,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363.68 : 6,018.72 = 3,941.28 : x
  2. Step 2: Convert to fraction form
    4,363.68/6,018.72 = 3,941.28/x
  3. Step 3: Cross multiply
    4,363.68x = 6,018.72 × 3,941.28
  4. Step 4: Simplify right side
    4,363.68x = 23,721,460.76
  5. Step 5: Solve for x
    x = 23,721,460.76/4,363.68
  6. Step 6: Final answer
    x = 5,436.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.