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Finding the Fourth Proportional to 1,669.14, 2,501.99 and 844.91

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Solution

The fourth proportional to 1,669.14, 2,501.99 and 844.91 is: 1,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.14 : 2,501.99 = 844.91 : x
  2. Step 2: Convert to fraction form
    1,669.14/2,501.99 = 844.91/x
  3. Step 3: Cross multiply
    1,669.14x = 2,501.99 × 844.91
  4. Step 4: Simplify right side
    1,669.14x = 2,113,956.37
  5. Step 5: Solve for x
    x = 2,113,956.37/1,669.14
  6. Step 6: Final answer
    x = 1,266.49

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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.