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Finding the Fourth Proportional to 40,578.72, 60,879.72 and 23,953.92

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Solution

The fourth proportional to 40,578.72, 60,879.72 and 23,953.92 is: 35,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.72 : 60,879.72 = 23,953.92 : x
  2. Step 2: Convert to fraction form
    40,578.72/60,879.72 = 23,953.92/x
  3. Step 3: Cross multiply
    40,578.72x = 60,879.72 × 23,953.92
  4. Step 4: Simplify right side
    40,578.72x = 1,458,307,942.50
  5. Step 5: Solve for x
    x = 1,458,307,942.50/40,578.72
  6. Step 6: Final answer
    x = 35,937.75

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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.