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Finding the Fourth Proportional to 10,838.25, 14,956.79 and 5,870.25

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Solution

The fourth proportional to 10,838.25, 14,956.79 and 5,870.25 is: 8,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.25 : 14,956.79 = 5,870.25 : x
  2. Step 2: Convert to fraction form
    10,838.25/14,956.79 = 5,870.25/x
  3. Step 3: Cross multiply
    10,838.25x = 14,956.79 × 5,870.25
  4. Step 4: Simplify right side
    10,838.25x = 87,800,067.15
  5. Step 5: Solve for x
    x = 87,800,067.15/10,838.25
  6. Step 6: Final answer
    x = 8,100.95

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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.