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Finding the Fourth Proportional to 34,750.70, 52,126.09 and 8,455.26

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Solution

The fourth proportional to 34,750.70, 52,126.09 and 8,455.26 is: 12,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.70 : 52,126.09 = 8,455.26 : x
  2. Step 2: Convert to fraction form
    34,750.70/52,126.09 = 8,455.26/x
  3. Step 3: Cross multiply
    34,750.70x = 52,126.09 × 8,455.26
  4. Step 4: Simplify right side
    34,750.70x = 440,739,643.73
  5. Step 5: Solve for x
    x = 440,739,643.73/34,750.70
  6. Step 6: Final answer
    x = 12,682.90

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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.