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Finding the Fourth Proportional to 10,511.18, 14,504.98 and 5,731.01

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Solution

The fourth proportional to 10,511.18, 14,504.98 and 5,731.01 is: 7,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.18 : 14,504.98 = 5,731.01 : x
  2. Step 2: Convert to fraction form
    10,511.18/14,504.98 = 5,731.01/x
  3. Step 3: Cross multiply
    10,511.18x = 14,504.98 × 5,731.01
  4. Step 4: Simplify right side
    10,511.18x = 83,128,185.43
  5. Step 5: Solve for x
    x = 83,128,185.43/10,511.18
  6. Step 6: Final answer
    x = 7,908.55

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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.