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Finding the Fourth Proportional to 45,383.70, 68,086.89 and 36,058.98

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Solution

The fourth proportional to 45,383.70, 68,086.89 and 36,058.98 is: 54,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,383.70 : 68,086.89 = 36,058.98 : x
  2. Step 2: Convert to fraction form
    45,383.70/68,086.89 = 36,058.98/x
  3. Step 3: Cross multiply
    45,383.70x = 68,086.89 × 36,058.98
  4. Step 4: Simplify right side
    45,383.70x = 2,455,143,804.77
  5. Step 5: Solve for x
    x = 2,455,143,804.77/45,383.70
  6. Step 6: Final answer
    x = 54,097.48

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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.