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Finding the Fourth Proportional to 22,795.79, 31,458.23 and 12,724.23

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Solution

The fourth proportional to 22,795.79, 31,458.23 and 12,724.23 is: 17,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.79 : 31,458.23 = 12,724.23 : x
  2. Step 2: Convert to fraction form
    22,795.79/31,458.23 = 12,724.23/x
  3. Step 3: Cross multiply
    22,795.79x = 31,458.23 × 12,724.23
  4. Step 4: Simplify right side
    22,795.79x = 400,281,690.29
  5. Step 5: Solve for x
    x = 400,281,690.29/22,795.79
  6. Step 6: Final answer
    x = 17,559.46

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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.