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Finding the Fourth Proportional to 1,058.58, 1,447.88 and 1,041.57

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Solution

The fourth proportional to 1,058.58, 1,447.88 and 1,041.57 is: 1,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.58 : 1,447.88 = 1,041.57 : x
  2. Step 2: Convert to fraction form
    1,058.58/1,447.88 = 1,041.57/x
  3. Step 3: Cross multiply
    1,058.58x = 1,447.88 × 1,041.57
  4. Step 4: Simplify right side
    1,058.58x = 1,508,063.16
  5. Step 5: Solve for x
    x = 1,508,063.16/1,058.58
  6. Step 6: Final answer
    x = 1,424.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.