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Finding the Fourth Proportional to 55,936.80, 84,002.40 and 29,692.80

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Solution

The fourth proportional to 55,936.80, 84,002.40 and 29,692.80 is: 44,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,936.80 : 84,002.40 = 29,692.80 : x
  2. Step 2: Convert to fraction form
    55,936.80/84,002.40 = 29,692.80/x
  3. Step 3: Cross multiply
    55,936.80x = 84,002.40 × 29,692.80
  4. Step 4: Simplify right side
    55,936.80x = 2,494,266,462.72
  5. Step 5: Solve for x
    x = 2,494,266,462.72/55,936.80
  6. Step 6: Final answer
    x = 44,590.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.