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Finding the Fourth Proportional to 14,131.02, 21,205.05 and 5,373.30

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Solution

The fourth proportional to 14,131.02, 21,205.05 and 5,373.30 is: 8,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.02 : 21,205.05 = 5,373.30 : x
  2. Step 2: Convert to fraction form
    14,131.02/21,205.05 = 5,373.30/x
  3. Step 3: Cross multiply
    14,131.02x = 21,205.05 × 5,373.30
  4. Step 4: Simplify right side
    14,131.02x = 113,941,095.17
  5. Step 5: Solve for x
    x = 113,941,095.17/14,131.02
  6. Step 6: Final answer
    x = 8,063.19

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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.