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Finding the Fourth Proportional to 10,415.03, 14,372.75 and 5,699.32

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Solution

The fourth proportional to 10,415.03, 14,372.75 and 5,699.32 is: 7,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.03 : 14,372.75 = 5,699.32 : x
  2. Step 2: Convert to fraction form
    10,415.03/14,372.75 = 5,699.32/x
  3. Step 3: Cross multiply
    10,415.03x = 14,372.75 × 5,699.32
  4. Step 4: Simplify right side
    10,415.03x = 81,914,801.17
  5. Step 5: Solve for x
    x = 81,914,801.17/10,415.03
  6. Step 6: Final answer
    x = 7,865.06

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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.