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Finding the Fourth Proportional to 1,888.63, 2,606.30 and 1,049.41

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Solution

The fourth proportional to 1,888.63, 2,606.30 and 1,049.41 is: 1,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.63 : 2,606.30 = 1,049.41 : x
  2. Step 2: Convert to fraction form
    1,888.63/2,606.30 = 1,049.41/x
  3. Step 3: Cross multiply
    1,888.63x = 2,606.30 × 1,049.41
  4. Step 4: Simplify right side
    1,888.63x = 2,735,077.28
  5. Step 5: Solve for x
    x = 2,735,077.28/1,888.63
  6. Step 6: Final answer
    x = 1,448.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.