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Finding the Fourth Proportional to 1,763.70, 2,643.12 and 1,711.14

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Solution

The fourth proportional to 1,763.70, 2,643.12 and 1,711.14 is: 2,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.70 : 2,643.12 = 1,711.14 : x
  2. Step 2: Convert to fraction form
    1,763.70/2,643.12 = 1,711.14/x
  3. Step 3: Cross multiply
    1,763.70x = 2,643.12 × 1,711.14
  4. Step 4: Simplify right side
    1,763.70x = 4,522,748.36
  5. Step 5: Solve for x
    x = 4,522,748.36/1,763.70
  6. Step 6: Final answer
    x = 2,564.35

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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.