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Finding the Fourth Proportional to 18,924.68, 26,102.58 and 12,956.60

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Solution

The fourth proportional to 18,924.68, 26,102.58 and 12,956.60 is: 17,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.68 : 26,102.58 = 12,956.60 : x
  2. Step 2: Convert to fraction form
    18,924.68/26,102.58 = 12,956.60/x
  3. Step 3: Cross multiply
    18,924.68x = 26,102.58 × 12,956.60
  4. Step 4: Simplify right side
    18,924.68x = 338,200,688.03
  5. Step 5: Solve for x
    x = 338,200,688.03/18,924.68
  6. Step 6: Final answer
    x = 17,870.88

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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.