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Finding the Fourth Proportional to 1,626.70, 2,436.45 and 1,410.70

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Solution

The fourth proportional to 1,626.70, 2,436.45 and 1,410.70 is: 2,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.70 : 2,436.45 = 1,410.70 : x
  2. Step 2: Convert to fraction form
    1,626.70/2,436.45 = 1,410.70/x
  3. Step 3: Cross multiply
    1,626.70x = 2,436.45 × 1,410.70
  4. Step 4: Simplify right side
    1,626.70x = 3,437,100.02
  5. Step 5: Solve for x
    x = 3,437,100.02/1,626.70
  6. Step 6: Final answer
    x = 2,112.93

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Why These Related Problems?

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