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Finding the Fourth Proportional to 34,664.80, 52,005.60 and 10,040.80

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Solution

The fourth proportional to 34,664.80, 52,005.60 and 10,040.80 is: 15,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,664.80 : 52,005.60 = 10,040.80 : x
  2. Step 2: Convert to fraction form
    34,664.80/52,005.60 = 10,040.80/x
  3. Step 3: Cross multiply
    34,664.80x = 52,005.60 × 10,040.80
  4. Step 4: Simplify right side
    34,664.80x = 522,177,828.48
  5. Step 5: Solve for x
    x = 522,177,828.48/34,664.80
  6. Step 6: Final answer
    x = 15,063.63

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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.