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Finding the Fourth Proportional to 9,653.88, 14,479.34 and 2,634.47

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Solution

The fourth proportional to 9,653.88, 14,479.34 and 2,634.47 is: 3,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.88 : 14,479.34 = 2,634.47 : x
  2. Step 2: Convert to fraction form
    9,653.88/14,479.34 = 2,634.47/x
  3. Step 3: Cross multiply
    9,653.88x = 14,479.34 × 2,634.47
  4. Step 4: Simplify right side
    9,653.88x = 38,145,386.85
  5. Step 5: Solve for x
    x = 38,145,386.85/9,653.88
  6. Step 6: Final answer
    x = 3,951.30

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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.