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Finding the Fourth Proportional to 44,692.80, 67,048.20 and 13,102.80

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Solution

The fourth proportional to 44,692.80, 67,048.20 and 13,102.80 is: 19,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,692.80 : 67,048.20 = 13,102.80 : x
  2. Step 2: Convert to fraction form
    44,692.80/67,048.20 = 13,102.80/x
  3. Step 3: Cross multiply
    44,692.80x = 67,048.20 × 13,102.80
  4. Step 4: Simplify right side
    44,692.80x = 878,519,154.96
  5. Step 5: Solve for x
    x = 878,519,154.96/44,692.80
  6. Step 6: Final answer
    x = 19,656.84

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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.