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Finding the Fourth Proportional to 53,353.65, 80,034.54 and 15,910.80

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Solution

The fourth proportional to 53,353.65, 80,034.54 and 15,910.80 is: 23,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,353.65 : 80,034.54 = 15,910.80 : x
  2. Step 2: Convert to fraction form
    53,353.65/80,034.54 = 15,910.80/x
  3. Step 3: Cross multiply
    53,353.65x = 80,034.54 × 15,910.80
  4. Step 4: Simplify right side
    53,353.65x = 1,273,413,559.03
  5. Step 5: Solve for x
    x = 1,273,413,559.03/53,353.65
  6. Step 6: Final answer
    x = 23,867.41

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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.