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Finding the Fourth Proportional to 9,235.31, 13,843.39 and 4,300.89

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Solution

The fourth proportional to 9,235.31, 13,843.39 and 4,300.89 is: 6,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.31 : 13,843.39 = 4,300.89 : x
  2. Step 2: Convert to fraction form
    9,235.31/13,843.39 = 4,300.89/x
  3. Step 3: Cross multiply
    9,235.31x = 13,843.39 × 4,300.89
  4. Step 4: Simplify right side
    9,235.31x = 59,538,897.62
  5. Step 5: Solve for x
    x = 59,538,897.62/9,235.31
  6. Step 6: Final answer
    x = 6,446.88

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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.