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Finding the Fourth Proportional to 34,748.20, 52,157.02 and 19,173.16

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Solution

The fourth proportional to 34,748.20, 52,157.02 and 19,173.16 is: 28,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,748.20 : 52,157.02 = 19,173.16 : x
  2. Step 2: Convert to fraction form
    34,748.20/52,157.02 = 19,173.16/x
  3. Step 3: Cross multiply
    34,748.20x = 52,157.02 × 19,173.16
  4. Step 4: Simplify right side
    34,748.20x = 1,000,014,889.58
  5. Step 5: Solve for x
    x = 1,000,014,889.58/34,748.20
  6. Step 6: Final answer
    x = 28,778.90

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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.