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Finding the Fourth Proportional to 7,316.72, 10,098.60 and 6,726.32

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Solution

The fourth proportional to 7,316.72, 10,098.60 and 6,726.32 is: 9,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.72 : 10,098.60 = 6,726.32 : x
  2. Step 2: Convert to fraction form
    7,316.72/10,098.60 = 6,726.32/x
  3. Step 3: Cross multiply
    7,316.72x = 10,098.60 × 6,726.32
  4. Step 4: Simplify right side
    7,316.72x = 67,926,415.15
  5. Step 5: Solve for x
    x = 67,926,415.15/7,316.72
  6. Step 6: Final answer
    x = 9,283.72

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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.