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Finding the Fourth Proportional to 9,962.68, 14,940.52 and 2,940.82

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Solution

The fourth proportional to 9,962.68, 14,940.52 and 2,940.82 is: 4,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.68 : 14,940.52 = 2,940.82 : x
  2. Step 2: Convert to fraction form
    9,962.68/14,940.52 = 2,940.82/x
  3. Step 3: Cross multiply
    9,962.68x = 14,940.52 × 2,940.82
  4. Step 4: Simplify right side
    9,962.68x = 43,937,305.32
  5. Step 5: Solve for x
    x = 43,937,305.32/9,962.68
  6. Step 6: Final answer
    x = 4,410.19

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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.