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Finding the Fourth Proportional to 34,606.76, 51,929.80 and 13,548.48

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Solution

The fourth proportional to 34,606.76, 51,929.80 and 13,548.48 is: 20,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,606.76 : 51,929.80 = 13,548.48 : x
  2. Step 2: Convert to fraction form
    34,606.76/51,929.80 = 13,548.48/x
  3. Step 3: Cross multiply
    34,606.76x = 51,929.80 × 13,548.48
  4. Step 4: Simplify right side
    34,606.76x = 703,569,856.70
  5. Step 5: Solve for x
    x = 703,569,856.70/34,606.76
  6. Step 6: Final answer
    x = 20,330.42

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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.