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Finding the Fourth Proportional to 53,099.88, 79,566.39 and 25,013.31

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Solution

The fourth proportional to 53,099.88, 79,566.39 and 25,013.31 is: 37,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,099.88 : 79,566.39 = 25,013.31 : x
  2. Step 2: Convert to fraction form
    53,099.88/79,566.39 = 25,013.31/x
  3. Step 3: Cross multiply
    53,099.88x = 79,566.39 × 25,013.31
  4. Step 4: Simplify right side
    53,099.88x = 1,990,218,778.65
  5. Step 5: Solve for x
    x = 1,990,218,778.65/53,099.88
  6. Step 6: Final answer
    x = 37,480.66

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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.