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Finding the Fourth Proportional to 34,600.54, 51,898.65 and 13,809.10

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Solution

The fourth proportional to 34,600.54, 51,898.65 and 13,809.10 is: 20,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,600.54 : 51,898.65 = 13,809.10 : x
  2. Step 2: Convert to fraction form
    34,600.54/51,898.65 = 13,809.10/x
  3. Step 3: Cross multiply
    34,600.54x = 51,898.65 × 13,809.10
  4. Step 4: Simplify right side
    34,600.54x = 716,673,647.72
  5. Step 5: Solve for x
    x = 716,673,647.72/34,600.54
  6. Step 6: Final answer
    x = 20,712.79

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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.