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Finding the Fourth Proportional to 34,468.60, 51,703.02 and 13,692.04

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Solution

The fourth proportional to 34,468.60, 51,703.02 and 13,692.04 is: 20,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,468.60 : 51,703.02 = 13,692.04 : x
  2. Step 2: Convert to fraction form
    34,468.60/51,703.02 = 13,692.04/x
  3. Step 3: Cross multiply
    34,468.60x = 51,703.02 × 13,692.04
  4. Step 4: Simplify right side
    34,468.60x = 707,919,817.96
  5. Step 5: Solve for x
    x = 707,919,817.96/34,468.60
  6. Step 6: Final answer
    x = 20,538.11

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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.