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Finding the Fourth Proportional to 72,957.08, 100,682.80 and 44,282

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Solution

The fourth proportional to 72,957.08, 100,682.80 and 44,282 is: 61,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,957.08 : 100,682.80 = 44,282 : x
  2. Step 2: Convert to fraction form
    72,957.08/100,682.80 = 44,282/x
  3. Step 3: Cross multiply
    72,957.08x = 100,682.80 × 44,282
  4. Step 4: Simplify right side
    72,957.08x = 4,458,435,749.60
  5. Step 5: Solve for x
    x = 4,458,435,749.60/72,957.08
  6. Step 6: Final answer
    x = 61,110.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.