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Finding the Fourth Proportional to 50,502.48, 69,692.87 and 27,840.90

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Solution

The fourth proportional to 50,502.48, 69,692.87 and 27,840.90 is: 38,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,502.48 : 69,692.87 = 27,840.90 : x
  2. Step 2: Convert to fraction form
    50,502.48/69,692.87 = 27,840.90/x
  3. Step 3: Cross multiply
    50,502.48x = 69,692.87 × 27,840.90
  4. Step 4: Simplify right side
    50,502.48x = 1,940,312,224.38
  5. Step 5: Solve for x
    x = 1,940,312,224.38/50,502.48
  6. Step 6: Final answer
    x = 38,420.14

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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.