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Finding the Fourth Proportional to 35,294.54, 48,692.57 and 20,179.08

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Solution

The fourth proportional to 35,294.54, 48,692.57 and 20,179.08 is: 27,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.54 : 48,692.57 = 20,179.08 : x
  2. Step 2: Convert to fraction form
    35,294.54/48,692.57 = 20,179.08/x
  3. Step 3: Cross multiply
    35,294.54x = 48,692.57 × 20,179.08
  4. Step 4: Simplify right side
    35,294.54x = 982,571,164.54
  5. Step 5: Solve for x
    x = 982,571,164.54/35,294.54
  6. Step 6: Final answer
    x = 27,839.19

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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.