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Finding the Fourth Proportional to 59,778.40, 82,493.30 and 36,818.49

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Solution

The fourth proportional to 59,778.40, 82,493.30 and 36,818.49 is: 50,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,778.40 : 82,493.30 = 36,818.49 : x
  2. Step 2: Convert to fraction form
    59,778.40/82,493.30 = 36,818.49/x
  3. Step 3: Cross multiply
    59,778.40x = 82,493.30 × 36,818.49
  4. Step 4: Simplify right side
    59,778.40x = 3,037,278,407.15
  5. Step 5: Solve for x
    x = 3,037,278,407.15/59,778.40
  6. Step 6: Final answer
    x = 50,808.96

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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.