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Finding the Fourth Proportional to 9,267.28, 12,788.02 and 5,233.89

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Solution

The fourth proportional to 9,267.28, 12,788.02 and 5,233.89 is: 7,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.28 : 12,788.02 = 5,233.89 : x
  2. Step 2: Convert to fraction form
    9,267.28/12,788.02 = 5,233.89/x
  3. Step 3: Cross multiply
    9,267.28x = 12,788.02 × 5,233.89
  4. Step 4: Simplify right side
    9,267.28x = 66,931,090.00
  5. Step 5: Solve for x
    x = 66,931,090.00/9,267.28
  6. Step 6: Final answer
    x = 7,222.30

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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.