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Finding the Fourth Proportional to 14,324.95, 21,484.94 and 3,934.27

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Solution

The fourth proportional to 14,324.95, 21,484.94 and 3,934.27 is: 5,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.95 : 21,484.94 = 3,934.27 : x
  2. Step 2: Convert to fraction form
    14,324.95/21,484.94 = 3,934.27/x
  3. Step 3: Cross multiply
    14,324.95x = 21,484.94 × 3,934.27
  4. Step 4: Simplify right side
    14,324.95x = 84,527,554.89
  5. Step 5: Solve for x
    x = 84,527,554.89/14,324.95
  6. Step 6: Final answer
    x = 5,900.72

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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.