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Finding the Fourth Proportional to 8,064.88, 11,130.74 and 4,922.89

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Solution

The fourth proportional to 8,064.88, 11,130.74 and 4,922.89 is: 6,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.88 : 11,130.74 = 4,922.89 : x
  2. Step 2: Convert to fraction form
    8,064.88/11,130.74 = 4,922.89/x
  3. Step 3: Cross multiply
    8,064.88x = 11,130.74 × 4,922.89
  4. Step 4: Simplify right side
    8,064.88x = 54,795,408.64
  5. Step 5: Solve for x
    x = 54,795,408.64/8,064.88
  6. Step 6: Final answer
    x = 6,794.32

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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.