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Finding the Fourth Proportional to 39,394.81, 59,092.28 and 11,692.81

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Solution

The fourth proportional to 39,394.81, 59,092.28 and 11,692.81 is: 17,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.81 : 59,092.28 = 11,692.81 : x
  2. Step 2: Convert to fraction form
    39,394.81/59,092.28 = 11,692.81/x
  3. Step 3: Cross multiply
    39,394.81x = 59,092.28 × 11,692.81
  4. Step 4: Simplify right side
    39,394.81x = 690,954,802.51
  5. Step 5: Solve for x
    x = 690,954,802.51/39,394.81
  6. Step 6: Final answer
    x = 17,539.23

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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.