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Finding the Fourth Proportional to 17,762, 26,700.60 and 16,479.44

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Solution

The fourth proportional to 17,762, 26,700.60 and 16,479.44 is: 24,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762 : 26,700.60 = 16,479.44 : x
  2. Step 2: Convert to fraction form
    17,762/26,700.60 = 16,479.44/x
  3. Step 3: Cross multiply
    17,762x = 26,700.60 × 16,479.44
  4. Step 4: Simplify right side
    17,762x = 440,010,935.66
  5. Step 5: Solve for x
    x = 440,010,935.66/17,762
  6. Step 6: Final answer
    x = 24,772.60

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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.