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Finding the Fourth Proportional to 34,405.91, 51,560.02 and 14,393.83

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Solution

The fourth proportional to 34,405.91, 51,560.02 and 14,393.83 is: 21,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,405.91 : 51,560.02 = 14,393.83 : x
  2. Step 2: Convert to fraction form
    34,405.91/51,560.02 = 14,393.83/x
  3. Step 3: Cross multiply
    34,405.91x = 51,560.02 × 14,393.83
  4. Step 4: Simplify right side
    34,405.91x = 742,146,162.68
  5. Step 5: Solve for x
    x = 742,146,162.68/34,405.91
  6. Step 6: Final answer
    x = 21,570.31

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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.