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Finding the Fourth Proportional to 12,532.73, 17,298.87 and 7,231.07

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Solution

The fourth proportional to 12,532.73, 17,298.87 and 7,231.07 is: 9,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.73 : 17,298.87 = 7,231.07 : x
  2. Step 2: Convert to fraction form
    12,532.73/17,298.87 = 7,231.07/x
  3. Step 3: Cross multiply
    12,532.73x = 17,298.87 × 7,231.07
  4. Step 4: Simplify right side
    12,532.73x = 125,089,356.02
  5. Step 5: Solve for x
    x = 125,089,356.02/12,532.73
  6. Step 6: Final answer
    x = 9,981.02

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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.