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Finding the Fourth Proportional to 9,690.01, 13,372.31 and 5,497.93

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Solution

The fourth proportional to 9,690.01, 13,372.31 and 5,497.93 is: 7,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.01 : 13,372.31 = 5,497.93 : x
  2. Step 2: Convert to fraction form
    9,690.01/13,372.31 = 5,497.93/x
  3. Step 3: Cross multiply
    9,690.01x = 13,372.31 × 5,497.93
  4. Step 4: Simplify right side
    9,690.01x = 73,519,996.83
  5. Step 5: Solve for x
    x = 73,519,996.83/9,690.01
  6. Step 6: Final answer
    x = 7,587.20

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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.