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Finding the Fourth Proportional to 16,710.65, 23,060.39 and 9,909.25

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Solution

The fourth proportional to 16,710.65, 23,060.39 and 9,909.25 is: 13,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710.65 : 23,060.39 = 9,909.25 : x
  2. Step 2: Convert to fraction form
    16,710.65/23,060.39 = 9,909.25/x
  3. Step 3: Cross multiply
    16,710.65x = 23,060.39 × 9,909.25
  4. Step 4: Simplify right side
    16,710.65x = 228,511,169.61
  5. Step 5: Solve for x
    x = 228,511,169.61/16,710.65
  6. Step 6: Final answer
    x = 13,674.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.