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Finding the Fourth Proportional to 83,692.39, 115,497.48 and 45,453.37

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Solution

The fourth proportional to 83,692.39, 115,497.48 and 45,453.37 is: 62,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,692.39 : 115,497.48 = 45,453.37 : x
  2. Step 2: Convert to fraction form
    83,692.39/115,497.48 = 45,453.37/x
  3. Step 3: Cross multiply
    83,692.39x = 115,497.48 × 45,453.37
  4. Step 4: Simplify right side
    83,692.39x = 5,249,749,692.51
  5. Step 5: Solve for x
    x = 5,249,749,692.51/83,692.39
  6. Step 6: Final answer
    x = 62,726.73

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1.5x scale

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.