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Finding the Fourth Proportional to 1,058.18, 1,460.46 and 1,011.46

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Solution

The fourth proportional to 1,058.18, 1,460.46 and 1,011.46 is: 1,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.18 : 1,460.46 = 1,011.46 : x
  2. Step 2: Convert to fraction form
    1,058.18/1,460.46 = 1,011.46/x
  3. Step 3: Cross multiply
    1,058.18x = 1,460.46 × 1,011.46
  4. Step 4: Simplify right side
    1,058.18x = 1,477,193.22
  5. Step 5: Solve for x
    x = 1,477,193.22/1,058.18
  6. Step 6: Final answer
    x = 1,395.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.