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Finding the Fourth Proportional to 53,227.54, 79,798.02 and 19,928.96

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Solution

The fourth proportional to 53,227.54, 79,798.02 and 19,928.96 is: 29,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,227.54 : 79,798.02 = 19,928.96 : x
  2. Step 2: Convert to fraction form
    53,227.54/79,798.02 = 19,928.96/x
  3. Step 3: Cross multiply
    53,227.54x = 79,798.02 × 19,928.96
  4. Step 4: Simplify right side
    53,227.54x = 1,590,291,548.66
  5. Step 5: Solve for x
    x = 1,590,291,548.66/53,227.54
  6. Step 6: Final answer
    x = 29,877.23

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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.