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Finding the Fourth Proportional to 29,154.84, 43,738.62 and 9,435.39

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Solution

The fourth proportional to 29,154.84, 43,738.62 and 9,435.39 is: 14,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.84 : 43,738.62 = 9,435.39 : x
  2. Step 2: Convert to fraction form
    29,154.84/43,738.62 = 9,435.39/x
  3. Step 3: Cross multiply
    29,154.84x = 43,738.62 × 9,435.39
  4. Step 4: Simplify right side
    29,154.84x = 412,690,937.76
  5. Step 5: Solve for x
    x = 412,690,937.76/29,154.84
  6. Step 6: Final answer
    x = 14,155.14

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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.