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Finding the Fourth Proportional to 53,692.39, 74,101.37 and 30,724.33

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Solution

The fourth proportional to 53,692.39, 74,101.37 and 30,724.33 is: 42,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,692.39 : 74,101.37 = 30,724.33 : x
  2. Step 2: Convert to fraction form
    53,692.39/74,101.37 = 30,724.33/x
  3. Step 3: Cross multiply
    53,692.39x = 74,101.37 × 30,724.33
  4. Step 4: Simplify right side
    53,692.39x = 2,276,715,031.32
  5. Step 5: Solve for x
    x = 2,276,715,031.32/53,692.39
  6. Step 6: Final answer
    x = 42,402.94

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