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Finding the Fourth Proportional to 1,058.89, 1,586.21 and 595.98

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Solution

The fourth proportional to 1,058.89, 1,586.21 and 595.98 is: 892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.89 : 1,586.21 = 595.98 : x
  2. Step 2: Convert to fraction form
    1,058.89/1,586.21 = 595.98/x
  3. Step 3: Cross multiply
    1,058.89x = 1,586.21 × 595.98
  4. Step 4: Simplify right side
    1,058.89x = 945,350.06
  5. Step 5: Solve for x
    x = 945,350.06/1,058.89
  6. Step 6: Final answer
    x = 892.77

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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.