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Finding the Fourth Proportional to 83,692.84, 115,496.11 and 45,967.09

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Solution

The fourth proportional to 83,692.84, 115,496.11 and 45,967.09 is: 63,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,692.84 : 115,496.11 = 45,967.09 : x
  2. Step 2: Convert to fraction form
    83,692.84/115,496.11 = 45,967.09/x
  3. Step 3: Cross multiply
    83,692.84x = 115,496.11 × 45,967.09
  4. Step 4: Simplify right side
    83,692.84x = 5,309,020,083.02
  5. Step 5: Solve for x
    x = 5,309,020,083.02/83,692.84
  6. Step 6: Final answer
    x = 63,434.58

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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.