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Finding the Fourth Proportional to 34,767.40, 52,146.22 and 13,692.40

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Solution

The fourth proportional to 34,767.40, 52,146.22 and 13,692.40 is: 20,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,767.40 : 52,146.22 = 13,692.40 : x
  2. Step 2: Convert to fraction form
    34,767.40/52,146.22 = 13,692.40/x
  3. Step 3: Cross multiply
    34,767.40x = 52,146.22 × 13,692.40
  4. Step 4: Simplify right side
    34,767.40x = 714,006,902.73
  5. Step 5: Solve for x
    x = 714,006,902.73/34,767.40
  6. Step 6: Final answer
    x = 20,536.68

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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.