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Finding the Fourth Proportional to 53,692.30, 74,174.95 and 35,338.69

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Solution

The fourth proportional to 53,692.30, 74,174.95 and 35,338.69 is: 48,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,692.30 : 74,174.95 = 35,338.69 : x
  2. Step 2: Convert to fraction form
    53,692.30/74,174.95 = 35,338.69/x
  3. Step 3: Cross multiply
    53,692.30x = 74,174.95 × 35,338.69
  4. Step 4: Simplify right side
    53,692.30x = 2,621,245,192.94
  5. Step 5: Solve for x
    x = 2,621,245,192.94/53,692.30
  6. Step 6: Final answer
    x = 48,819.76

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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.