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Finding the Fourth Proportional to 69,878.34, 96,416.31 and 58,593.42

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Solution

The fourth proportional to 69,878.34, 96,416.31 and 58,593.42 is: 80,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,878.34 : 96,416.31 = 58,593.42 : x
  2. Step 2: Convert to fraction form
    69,878.34/96,416.31 = 58,593.42/x
  3. Step 3: Cross multiply
    69,878.34x = 96,416.31 × 58,593.42
  4. Step 4: Simplify right side
    69,878.34x = 5,649,361,346.68
  5. Step 5: Solve for x
    x = 5,649,361,346.68/69,878.34
  6. Step 6: Final answer
    x = 80,845.67

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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.