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Finding the Fourth Proportional to 53,044.78, 79,550.90 and 17,499.54

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Solution

The fourth proportional to 53,044.78, 79,550.90 and 17,499.54 is: 26,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,044.78 : 79,550.90 = 17,499.54 : x
  2. Step 2: Convert to fraction form
    53,044.78/79,550.90 = 17,499.54/x
  3. Step 3: Cross multiply
    53,044.78x = 79,550.90 × 17,499.54
  4. Step 4: Simplify right side
    53,044.78x = 1,392,104,156.59
  5. Step 5: Solve for x
    x = 1,392,104,156.59/53,044.78
  6. Step 6: Final answer
    x = 26,243.94

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1.5x scale

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.