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Finding the Fourth Proportional to 14,646.68, 20,211.15 and 8,677.34

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Solution

The fourth proportional to 14,646.68, 20,211.15 and 8,677.34 is: 11,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.68 : 20,211.15 = 8,677.34 : x
  2. Step 2: Convert to fraction form
    14,646.68/20,211.15 = 8,677.34/x
  3. Step 3: Cross multiply
    14,646.68x = 20,211.15 × 8,677.34
  4. Step 4: Simplify right side
    14,646.68x = 175,379,020.34
  5. Step 5: Solve for x
    x = 175,379,020.34/14,646.68
  6. Step 6: Final answer
    x = 11,973.98

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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.