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Finding the Fourth Proportional to 21,674.98, 32,509.15 and 6,881.98

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Solution

The fourth proportional to 21,674.98, 32,509.15 and 6,881.98 is: 10,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.98 : 32,509.15 = 6,881.98 : x
  2. Step 2: Convert to fraction form
    21,674.98/32,509.15 = 6,881.98/x
  3. Step 3: Cross multiply
    21,674.98x = 32,509.15 × 6,881.98
  4. Step 4: Simplify right side
    21,674.98x = 223,727,320.12
  5. Step 5: Solve for x
    x = 223,727,320.12/21,674.98
  6. Step 6: Final answer
    x = 10,321.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.