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Finding the Fourth Proportional to 74,705.52, 112,058.24 and 27,326.88

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Solution

The fourth proportional to 74,705.52, 112,058.24 and 27,326.88 is: 40,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,705.52 : 112,058.24 = 27,326.88 : x
  2. Step 2: Convert to fraction form
    74,705.52/112,058.24 = 27,326.88/x
  3. Step 3: Cross multiply
    74,705.52x = 112,058.24 × 27,326.88
  4. Step 4: Simplify right side
    74,705.52x = 3,062,202,077.49
  5. Step 5: Solve for x
    x = 3,062,202,077.49/74,705.52
  6. Step 6: Final answer
    x = 40,990.31

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1.5x scale

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.