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Finding the Fourth Proportional to 29,112, 43,669.44 and 9,389.12

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Solution

The fourth proportional to 29,112, 43,669.44 and 9,389.12 is: 14,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112 : 43,669.44 = 9,389.12 : x
  2. Step 2: Convert to fraction form
    29,112/43,669.44 = 9,389.12/x
  3. Step 3: Cross multiply
    29,112x = 43,669.44 × 9,389.12
  4. Step 4: Simplify right side
    29,112x = 410,017,612.49
  5. Step 5: Solve for x
    x = 410,017,612.49/29,112
  6. Step 6: Final answer
    x = 14,084.14

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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.