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Finding the Fourth Proportional to 9,203.31, 13,807.19 and 2,963.91

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Solution

The fourth proportional to 9,203.31, 13,807.19 and 2,963.91 is: 4,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.31 : 13,807.19 = 2,963.91 : x
  2. Step 2: Convert to fraction form
    9,203.31/13,807.19 = 2,963.91/x
  3. Step 3: Cross multiply
    9,203.31x = 13,807.19 × 2,963.91
  4. Step 4: Simplify right side
    9,203.31x = 40,923,253.69
  5. Step 5: Solve for x
    x = 40,923,253.69/9,203.31
  6. Step 6: Final answer
    x = 4,446.58

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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.