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Finding the Fourth Proportional to 4,356, 6,007.21 and 3,359.70

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Solution

The fourth proportional to 4,356, 6,007.21 and 3,359.70 is: 4,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356 : 6,007.21 = 3,359.70 : x
  2. Step 2: Convert to fraction form
    4,356/6,007.21 = 3,359.70/x
  3. Step 3: Cross multiply
    4,356x = 6,007.21 × 3,359.70
  4. Step 4: Simplify right side
    4,356x = 20,182,415.04
  5. Step 5: Solve for x
    x = 20,182,415.04/4,356
  6. Step 6: Final answer
    x = 4,633.24

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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.