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Finding the Fourth Proportional to 1,703.01, 2,557.76 and 1,058.25

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Solution

The fourth proportional to 1,703.01, 2,557.76 and 1,058.25 is: 1,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.01 : 2,557.76 = 1,058.25 : x
  2. Step 2: Convert to fraction form
    1,703.01/2,557.76 = 1,058.25/x
  3. Step 3: Cross multiply
    1,703.01x = 2,557.76 × 1,058.25
  4. Step 4: Simplify right side
    1,703.01x = 2,706,744.23
  5. Step 5: Solve for x
    x = 2,706,744.23/1,703.01
  6. Step 6: Final answer
    x = 1,589.39

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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.