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Finding the Fourth Proportional to 16,653.80, 24,985.22 and 7,294.65

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Solution

The fourth proportional to 16,653.80, 24,985.22 and 7,294.65 is: 10,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.80 : 24,985.22 = 7,294.65 : x
  2. Step 2: Convert to fraction form
    16,653.80/24,985.22 = 7,294.65/x
  3. Step 3: Cross multiply
    16,653.80x = 24,985.22 × 7,294.65
  4. Step 4: Simplify right side
    16,653.80x = 182,258,398.60
  5. Step 5: Solve for x
    x = 182,258,398.60/16,653.80
  6. Step 6: Final answer
    x = 10,943.96

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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.