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Finding the Fourth Proportional to 10,511.03, 14,505.05 and 5,731.03

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Solution

The fourth proportional to 10,511.03, 14,505.05 and 5,731.03 is: 7,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.03 : 14,505.05 = 5,731.03 : x
  2. Step 2: Convert to fraction form
    10,511.03/14,505.05 = 5,731.03/x
  3. Step 3: Cross multiply
    10,511.03x = 14,505.05 × 5,731.03
  4. Step 4: Simplify right side
    10,511.03x = 83,128,775.52
  5. Step 5: Solve for x
    x = 83,128,775.52/10,511.03
  6. Step 6: Final answer
    x = 7,908.72

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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.