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Finding the Fourth Proportional to 11,840.07, 17,770.52 and 4,820.07

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Solution

The fourth proportional to 11,840.07, 17,770.52 and 4,820.07 is: 7,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.07 : 17,770.52 = 4,820.07 : x
  2. Step 2: Convert to fraction form
    11,840.07/17,770.52 = 4,820.07/x
  3. Step 3: Cross multiply
    11,840.07x = 17,770.52 × 4,820.07
  4. Step 4: Simplify right side
    11,840.07x = 85,655,229.03
  5. Step 5: Solve for x
    x = 85,655,229.03/11,840.07
  6. Step 6: Final answer
    x = 7,234.35

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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.