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Finding the Fourth Proportional to 34,821.60, 52,232.39 and 12,634.94

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Solution

The fourth proportional to 34,821.60, 52,232.39 and 12,634.94 is: 18,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.60 : 52,232.39 = 12,634.94 : x
  2. Step 2: Convert to fraction form
    34,821.60/52,232.39 = 12,634.94/x
  3. Step 3: Cross multiply
    34,821.60x = 52,232.39 × 12,634.94
  4. Step 4: Simplify right side
    34,821.60x = 659,953,005.76
  5. Step 5: Solve for x
    x = 659,953,005.76/34,821.60
  6. Step 6: Final answer
    x = 18,952.41

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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.