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Finding the Fourth Proportional to 69,975.96, 96,512.21 and 48,473.82

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Solution

The fourth proportional to 69,975.96, 96,512.21 and 48,473.82 is: 66,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,975.96 : 96,512.21 = 48,473.82 : x
  2. Step 2: Convert to fraction form
    69,975.96/96,512.21 = 48,473.82/x
  3. Step 3: Cross multiply
    69,975.96x = 96,512.21 × 48,473.82
  4. Step 4: Simplify right side
    69,975.96x = 4,678,315,495.34
  5. Step 5: Solve for x
    x = 4,678,315,495.34/69,975.96
  6. Step 6: Final answer
    x = 66,856.04

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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.