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Finding the Fourth Proportional to 53,055.71, 79,604.82 and 19,324.08

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Solution

The fourth proportional to 53,055.71, 79,604.82 and 19,324.08 is: 28,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,055.71 : 79,604.82 = 19,324.08 : x
  2. Step 2: Convert to fraction form
    53,055.71/79,604.82 = 19,324.08/x
  3. Step 3: Cross multiply
    53,055.71x = 79,604.82 × 19,324.08
  4. Step 4: Simplify right side
    53,055.71x = 1,538,289,910.07
  5. Step 5: Solve for x
    x = 1,538,289,910.07/53,055.71
  6. Step 6: Final answer
    x = 28,993.86

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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.