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Finding the Fourth Proportional to 1,726.83, 2,383.01 and 940.88

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Solution

The fourth proportional to 1,726.83, 2,383.01 and 940.88 is: 1,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.83 : 2,383.01 = 940.88 : x
  2. Step 2: Convert to fraction form
    1,726.83/2,383.01 = 940.88/x
  3. Step 3: Cross multiply
    1,726.83x = 2,383.01 × 940.88
  4. Step 4: Simplify right side
    1,726.83x = 2,242,109.83
  5. Step 5: Solve for x
    x = 2,242,109.83/1,726.83
  6. Step 6: Final answer
    x = 1,298.40

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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.