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Finding the Fourth Proportional to 9,003.00, 13,488.09 and 6,636.94

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Solution

The fourth proportional to 9,003.00, 13,488.09 and 6,636.94 is: 9,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.00 : 13,488.09 = 6,636.94 : x
  2. Step 2: Convert to fraction form
    9,003.00/13,488.09 = 6,636.94/x
  3. Step 3: Cross multiply
    9,003.00x = 13,488.09 × 6,636.94
  4. Step 4: Simplify right side
    9,003.00x = 89,519,641.44
  5. Step 5: Solve for x
    x = 89,519,641.44/9,003.00
  6. Step 6: Final answer
    x = 9,943.31

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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.