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Finding the Fourth Proportional to 14,296.56, 21,444.06 and 3,907.56

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Solution

The fourth proportional to 14,296.56, 21,444.06 and 3,907.56 is: 5,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.56 : 21,444.06 = 3,907.56 : x
  2. Step 2: Convert to fraction form
    14,296.56/21,444.06 = 3,907.56/x
  3. Step 3: Cross multiply
    14,296.56x = 21,444.06 × 3,907.56
  4. Step 4: Simplify right side
    14,296.56x = 83,793,951.09
  5. Step 5: Solve for x
    x = 83,793,951.09/14,296.56
  6. Step 6: Final answer
    x = 5,861.13

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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.