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Finding the Fourth Proportional to 76,362.69, 105,380.48 and 44,525.44

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Solution

The fourth proportional to 76,362.69, 105,380.48 and 44,525.44 is: 61,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,362.69 : 105,380.48 = 44,525.44 : x
  2. Step 2: Convert to fraction form
    76,362.69/105,380.48 = 44,525.44/x
  3. Step 3: Cross multiply
    76,362.69x = 105,380.48 × 44,525.44
  4. Step 4: Simplify right side
    76,362.69x = 4,692,112,087.27
  5. Step 5: Solve for x
    x = 4,692,112,087.27/76,362.69
  6. Step 6: Final answer
    x = 61,445.09

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1.5x scale

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.