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Finding the Fourth Proportional to 9,300.94, 13,939.54 and 4,359.69

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Solution

The fourth proportional to 9,300.94, 13,939.54 and 4,359.69 is: 6,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300.94 : 13,939.54 = 4,359.69 : x
  2. Step 2: Convert to fraction form
    9,300.94/13,939.54 = 4,359.69/x
  3. Step 3: Cross multiply
    9,300.94x = 13,939.54 × 4,359.69
  4. Step 4: Simplify right side
    9,300.94x = 60,772,073.14
  5. Step 5: Solve for x
    x = 60,772,073.14/9,300.94
  6. Step 6: Final answer
    x = 6,533.97

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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.