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Finding the Fourth Proportional to 1,166.43, 1,748.69 and 837.14

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Solution

The fourth proportional to 1,166.43, 1,748.69 and 837.14 is: 1,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.43 : 1,748.69 = 837.14 : x
  2. Step 2: Convert to fraction form
    1,166.43/1,748.69 = 837.14/x
  3. Step 3: Cross multiply
    1,166.43x = 1,748.69 × 837.14
  4. Step 4: Simplify right side
    1,166.43x = 1,463,888.56
  5. Step 5: Solve for x
    x = 1,463,888.56/1,166.43
  6. Step 6: Final answer
    x = 1,255.01

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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.