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Finding the Fourth Proportional to 1,954.56, 2,697.29 and 1,058.28

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Solution

The fourth proportional to 1,954.56, 2,697.29 and 1,058.28 is: 1,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.56 : 2,697.29 = 1,058.28 : x
  2. Step 2: Convert to fraction form
    1,954.56/2,697.29 = 1,058.28/x
  3. Step 3: Cross multiply
    1,954.56x = 2,697.29 × 1,058.28
  4. Step 4: Simplify right side
    1,954.56x = 2,854,482.77
  5. Step 5: Solve for x
    x = 2,854,482.77/1,954.56
  6. Step 6: Final answer
    x = 1,460.42

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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.