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Finding the Fourth Proportional to 14,810.85, 22,191.67 and 10,419.08

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Solution

The fourth proportional to 14,810.85, 22,191.67 and 10,419.08 is: 15,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.85 : 22,191.67 = 10,419.08 : x
  2. Step 2: Convert to fraction form
    14,810.85/22,191.67 = 10,419.08/x
  3. Step 3: Cross multiply
    14,810.85x = 22,191.67 × 10,419.08
  4. Step 4: Simplify right side
    14,810.85x = 231,216,811.96
  5. Step 5: Solve for x
    x = 231,216,811.96/14,810.85
  6. Step 6: Final answer
    x = 15,611.31

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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.