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Finding the Fourth Proportional to 9,005.88, 13,503.82 and 3,739.44

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Solution

The fourth proportional to 9,005.88, 13,503.82 and 3,739.44 is: 5,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.88 : 13,503.82 = 3,739.44 : x
  2. Step 2: Convert to fraction form
    9,005.88/13,503.82 = 3,739.44/x
  3. Step 3: Cross multiply
    9,005.88x = 13,503.82 × 3,739.44
  4. Step 4: Simplify right side
    9,005.88x = 50,496,724.66
  5. Step 5: Solve for x
    x = 50,496,724.66/9,005.88
  6. Step 6: Final answer
    x = 5,607.08

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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.