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Finding the Fourth Proportional to 1,763.49, 2,644.47 and 941.58

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Solution

The fourth proportional to 1,763.49, 2,644.47 and 941.58 is: 1,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.49 : 2,644.47 = 941.58 : x
  2. Step 2: Convert to fraction form
    1,763.49/2,644.47 = 941.58/x
  3. Step 3: Cross multiply
    1,763.49x = 2,644.47 × 941.58
  4. Step 4: Simplify right side
    1,763.49x = 2,489,980.06
  5. Step 5: Solve for x
    x = 2,489,980.06/1,763.49
  6. Step 6: Final answer
    x = 1,411.96

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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.