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Finding the Fourth Proportional to 1,058.09, 1,586.52 and 537.46

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Solution

The fourth proportional to 1,058.09, 1,586.52 and 537.46 is: 805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.09 : 1,586.52 = 537.46 : x
  2. Step 2: Convert to fraction form
    1,058.09/1,586.52 = 537.46/x
  3. Step 3: Cross multiply
    1,058.09x = 1,586.52 × 537.46
  4. Step 4: Simplify right side
    1,058.09x = 852,687.07
  5. Step 5: Solve for x
    x = 852,687.07/1,058.09
  6. Step 6: Final answer
    x = 805.88

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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.