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Finding the Fourth Proportional to 49,776.95, 68,692.19 and 27,420.95

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Solution

The fourth proportional to 49,776.95, 68,692.19 and 27,420.95 is: 37,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,776.95 : 68,692.19 = 27,420.95 : x
  2. Step 2: Convert to fraction form
    49,776.95/68,692.19 = 27,420.95/x
  3. Step 3: Cross multiply
    49,776.95x = 68,692.19 × 27,420.95
  4. Step 4: Simplify right side
    49,776.95x = 1,883,604,626.81
  5. Step 5: Solve for x
    x = 1,883,604,626.81/49,776.95
  6. Step 6: Final answer
    x = 37,840.90

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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.