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Finding the Fourth Proportional to 83,622.98, 125,399.10 and 33,689.67

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Solution

The fourth proportional to 83,622.98, 125,399.10 and 33,689.67 is: 50,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,622.98 : 125,399.10 = 33,689.67 : x
  2. Step 2: Convert to fraction form
    83,622.98/125,399.10 = 33,689.67/x
  3. Step 3: Cross multiply
    83,622.98x = 125,399.10 × 33,689.67
  4. Step 4: Simplify right side
    83,622.98x = 4,224,654,658.76
  5. Step 5: Solve for x
    x = 4,224,654,658.76/83,622.98
  6. Step 6: Final answer
    x = 50,520.26

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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.