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Finding the Fourth Proportional to 53,029.41, 79,523.26 and 19,287.41

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Solution

The fourth proportional to 53,029.41, 79,523.26 and 19,287.41 is: 28,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,029.41 : 79,523.26 = 19,287.41 : x
  2. Step 2: Convert to fraction form
    53,029.41/79,523.26 = 19,287.41/x
  3. Step 3: Cross multiply
    53,029.41x = 79,523.26 × 19,287.41
  4. Step 4: Simplify right side
    53,029.41x = 1,533,797,720.16
  5. Step 5: Solve for x
    x = 1,533,797,720.16/53,029.41
  6. Step 6: Final answer
    x = 28,923.53

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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.