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Finding the Fourth Proportional to 12,710.70, 19,065.60 and 3,350.57

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Solution

The fourth proportional to 12,710.70, 19,065.60 and 3,350.57 is: 5,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.70 : 19,065.60 = 3,350.57 : x
  2. Step 2: Convert to fraction form
    12,710.70/19,065.60 = 3,350.57/x
  3. Step 3: Cross multiply
    12,710.70x = 19,065.60 × 3,350.57
  4. Step 4: Simplify right side
    12,710.70x = 63,880,532.06
  5. Step 5: Solve for x
    x = 63,880,532.06/12,710.70
  6. Step 6: Final answer
    x = 5,025.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.