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Finding the Fourth Proportional to 9,373.22, 12,935.32 and 5,124.68

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Solution

The fourth proportional to 9,373.22, 12,935.32 and 5,124.68 is: 7,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.22 : 12,935.32 = 5,124.68 : x
  2. Step 2: Convert to fraction form
    9,373.22/12,935.32 = 5,124.68/x
  3. Step 3: Cross multiply
    9,373.22x = 12,935.32 × 5,124.68
  4. Step 4: Simplify right side
    9,373.22x = 66,289,375.70
  5. Step 5: Solve for x
    x = 66,289,375.70/9,373.22
  6. Step 6: Final answer
    x = 7,072.21

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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.