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Finding the Fourth Proportional to 49,776.91, 68,692.14 and 27,420.91

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Solution

The fourth proportional to 49,776.91, 68,692.14 and 27,420.91 is: 37,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,776.91 : 68,692.14 = 27,420.91 : x
  2. Step 2: Convert to fraction form
    49,776.91/68,692.14 = 27,420.91/x
  3. Step 3: Cross multiply
    49,776.91x = 68,692.14 × 27,420.91
  4. Step 4: Simplify right side
    49,776.91x = 1,883,600,988.65
  5. Step 5: Solve for x
    x = 1,883,600,988.65/49,776.91
  6. Step 6: Final answer
    x = 37,840.86

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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.