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Finding the Fourth Proportional to 6,400.44, 8,829.18 and 4,411.98

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Solution

The fourth proportional to 6,400.44, 8,829.18 and 4,411.98 is: 6,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.44 : 8,829.18 = 4,411.98 : x
  2. Step 2: Convert to fraction form
    6,400.44/8,829.18 = 4,411.98/x
  3. Step 3: Cross multiply
    6,400.44x = 8,829.18 × 4,411.98
  4. Step 4: Simplify right side
    6,400.44x = 38,954,165.58
  5. Step 5: Solve for x
    x = 38,954,165.58/6,400.44
  6. Step 6: Final answer
    x = 6,086.17

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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.