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Finding the Fourth Proportional to 12,052.96, 16,628.22 and 7,339.96

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Solution

The fourth proportional to 12,052.96, 16,628.22 and 7,339.96 is: 10,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.96 : 16,628.22 = 7,339.96 : x
  2. Step 2: Convert to fraction form
    12,052.96/16,628.22 = 7,339.96/x
  3. Step 3: Cross multiply
    12,052.96x = 16,628.22 × 7,339.96
  4. Step 4: Simplify right side
    12,052.96x = 122,050,469.67
  5. Step 5: Solve for x
    x = 122,050,469.67/12,052.96
  6. Step 6: Final answer
    x = 10,126.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.