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Finding the Fourth Proportional to 80,683.84, 121,025.74 and 24,524.40

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Solution

The fourth proportional to 80,683.84, 121,025.74 and 24,524.40 is: 36,786.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,683.84 : 121,025.74 = 24,524.40 : x
  2. Step 2: Convert to fraction form
    80,683.84/121,025.74 = 24,524.40/x
  3. Step 3: Cross multiply
    80,683.84x = 121,025.74 × 24,524.40
  4. Step 4: Simplify right side
    80,683.84x = 2,968,083,658.06
  5. Step 5: Solve for x
    x = 2,968,083,658.06/80,683.84
  6. Step 6: Final answer
    x = 36,786.59

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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.