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Finding the Fourth Proportional to 8,222.63, 12,337.02 and 4,938.08

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Solution

The fourth proportional to 8,222.63, 12,337.02 and 4,938.08 is: 7,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.63 : 12,337.02 = 4,938.08 : x
  2. Step 2: Convert to fraction form
    8,222.63/12,337.02 = 4,938.08/x
  3. Step 3: Cross multiply
    8,222.63x = 12,337.02 × 4,938.08
  4. Step 4: Simplify right side
    8,222.63x = 60,921,130.04
  5. Step 5: Solve for x
    x = 60,921,130.04/8,222.63
  6. Step 6: Final answer
    x = 7,408.96

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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.