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Finding the Fourth Proportional to 70,057.81, 96,683.63 and 38,226.94

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Solution

The fourth proportional to 70,057.81, 96,683.63 and 38,226.94 is: 52,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057.81 : 96,683.63 = 38,226.94 : x
  2. Step 2: Convert to fraction form
    70,057.81/96,683.63 = 38,226.94/x
  3. Step 3: Cross multiply
    70,057.81x = 96,683.63 × 38,226.94
  4. Step 4: Simplify right side
    70,057.81x = 3,695,918,890.15
  5. Step 5: Solve for x
    x = 3,695,918,890.15/70,057.81
  6. Step 6: Final answer
    x = 52,755.27

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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.