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Finding the Fourth Proportional to 9,015.84, 13,514.63 and 4,329

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Solution

The fourth proportional to 9,015.84, 13,514.63 and 4,329 is: 6,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.84 : 13,514.63 = 4,329 : x
  2. Step 2: Convert to fraction form
    9,015.84/13,514.63 = 4,329/x
  3. Step 3: Cross multiply
    9,015.84x = 13,514.63 × 4,329
  4. Step 4: Simplify right side
    9,015.84x = 58,504,833.27
  5. Step 5: Solve for x
    x = 58,504,833.27/9,015.84
  6. Step 6: Final answer
    x = 6,489.12

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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.