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Finding the Fourth Proportional to 60,556.94, 90,835.44 and 28,959.54

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Solution

The fourth proportional to 60,556.94, 90,835.44 and 28,959.54 is: 43,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,556.94 : 90,835.44 = 28,959.54 : x
  2. Step 2: Convert to fraction form
    60,556.94/90,835.44 = 28,959.54/x
  3. Step 3: Cross multiply
    60,556.94x = 90,835.44 × 28,959.54
  4. Step 4: Simplify right side
    60,556.94x = 2,630,552,558.10
  5. Step 5: Solve for x
    x = 2,630,552,558.10/60,556.94
  6. Step 6: Final answer
    x = 43,439.32

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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.