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Finding the Fourth Proportional to 34,797.20, 52,200.60 and 12,605.20

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Solution

The fourth proportional to 34,797.20, 52,200.60 and 12,605.20 is: 18,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,797.20 : 52,200.60 = 12,605.20 : x
  2. Step 2: Convert to fraction form
    34,797.20/52,200.60 = 12,605.20/x
  3. Step 3: Cross multiply
    34,797.20x = 52,200.60 × 12,605.20
  4. Step 4: Simplify right side
    34,797.20x = 657,999,003.12
  5. Step 5: Solve for x
    x = 657,999,003.12/34,797.20
  6. Step 6: Final answer
    x = 18,909.54

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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.