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Finding the Fourth Proportional to 9,961.12, 14,943.32 and 3,034

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Solution

The fourth proportional to 9,961.12, 14,943.32 and 3,034 is: 4,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.12 : 14,943.32 = 3,034 : x
  2. Step 2: Convert to fraction form
    9,961.12/14,943.32 = 3,034/x
  3. Step 3: Cross multiply
    9,961.12x = 14,943.32 × 3,034
  4. Step 4: Simplify right side
    9,961.12x = 45,338,032.88
  5. Step 5: Solve for x
    x = 45,338,032.88/9,961.12
  6. Step 6: Final answer
    x = 4,551.50

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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.