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Finding the Fourth Proportional to 76,397.80, 114,596.06 and 29,683.56

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Solution

The fourth proportional to 76,397.80, 114,596.06 and 29,683.56 is: 44,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,397.80 : 114,596.06 = 29,683.56 : x
  2. Step 2: Convert to fraction form
    76,397.80/114,596.06 = 29,683.56/x
  3. Step 3: Cross multiply
    76,397.80x = 114,596.06 × 29,683.56
  4. Step 4: Simplify right side
    76,397.80x = 3,401,619,022.77
  5. Step 5: Solve for x
    x = 3,401,619,022.77/76,397.80
  6. Step 6: Final answer
    x = 44,525.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.