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Finding the Fourth Proportional to 2,058, 3,085.56 and 1,473

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Solution

The fourth proportional to 2,058, 3,085.56 and 1,473 is: 2,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058 : 3,085.56 = 1,473 : x
  2. Step 2: Convert to fraction form
    2,058/3,085.56 = 1,473/x
  3. Step 3: Cross multiply
    2,058x = 3,085.56 × 1,473
  4. Step 4: Simplify right side
    2,058x = 4,545,029.88
  5. Step 5: Solve for x
    x = 4,545,029.88/2,058
  6. Step 6: Final answer
    x = 2,208.47

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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.