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Finding the Fourth Proportional to 19,444.60, 26,834.06 and 10,947.04

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Solution

The fourth proportional to 19,444.60, 26,834.06 and 10,947.04 is: 15,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,444.60 : 26,834.06 = 10,947.04 : x
  2. Step 2: Convert to fraction form
    19,444.60/26,834.06 = 10,947.04/x
  3. Step 3: Cross multiply
    19,444.60x = 26,834.06 × 10,947.04
  4. Step 4: Simplify right side
    19,444.60x = 293,753,528.18
  5. Step 5: Solve for x
    x = 293,753,528.18/19,444.60
  6. Step 6: Final answer
    x = 15,107.20

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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.