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Finding the Fourth Proportional to 16,643.88, 24,964.45 and 4,957.10

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Solution

The fourth proportional to 16,643.88, 24,964.45 and 4,957.10 is: 7,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.88 : 24,964.45 = 4,957.10 : x
  2. Step 2: Convert to fraction form
    16,643.88/24,964.45 = 4,957.10/x
  3. Step 3: Cross multiply
    16,643.88x = 24,964.45 × 4,957.10
  4. Step 4: Simplify right side
    16,643.88x = 123,751,275.10
  5. Step 5: Solve for x
    x = 123,751,275.10/16,643.88
  6. Step 6: Final answer
    x = 7,435.24

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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.