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Finding the Fourth Proportional to 1,058.00, 1,470.11 and 1,046.60

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Solution

The fourth proportional to 1,058.00, 1,470.11 and 1,046.60 is: 1,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.00 : 1,470.11 = 1,046.60 : x
  2. Step 2: Convert to fraction form
    1,058.00/1,470.11 = 1,046.60/x
  3. Step 3: Cross multiply
    1,058.00x = 1,470.11 × 1,046.60
  4. Step 4: Simplify right side
    1,058.00x = 1,538,612.39
  5. Step 5: Solve for x
    x = 1,538,612.39/1,058.00
  6. Step 6: Final answer
    x = 1,454.26

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.