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Finding the Fourth Proportional to 7,372.74, 11,071.11 and 4,654.02

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Solution

The fourth proportional to 7,372.74, 11,071.11 and 4,654.02 is: 6,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.74 : 11,071.11 = 4,654.02 : x
  2. Step 2: Convert to fraction form
    7,372.74/11,071.11 = 4,654.02/x
  3. Step 3: Cross multiply
    7,372.74x = 11,071.11 × 4,654.02
  4. Step 4: Simplify right side
    7,372.74x = 51,525,167.36
  5. Step 5: Solve for x
    x = 51,525,167.36/7,372.74
  6. Step 6: Final answer
    x = 6,988.60

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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.