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Finding the Fourth Proportional to 1,058.24, 1,586.12 and 570.26

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Solution

The fourth proportional to 1,058.24, 1,586.12 and 570.26 is: 854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.24 : 1,586.12 = 570.26 : x
  2. Step 2: Convert to fraction form
    1,058.24/1,586.12 = 570.26/x
  3. Step 3: Cross multiply
    1,058.24x = 1,586.12 × 570.26
  4. Step 4: Simplify right side
    1,058.24x = 904,506.18
  5. Step 5: Solve for x
    x = 904,506.18/1,058.24
  6. Step 6: Final answer
    x = 854.73

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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.