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Finding the Fourth Proportional to 9,998.98, 14,999 and 2,603.46

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Solution

The fourth proportional to 9,998.98, 14,999 and 2,603.46 is: 3,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.98 : 14,999 = 2,603.46 : x
  2. Step 2: Convert to fraction form
    9,998.98/14,999 = 2,603.46/x
  3. Step 3: Cross multiply
    9,998.98x = 14,999 × 2,603.46
  4. Step 4: Simplify right side
    9,998.98x = 39,049,296.54
  5. Step 5: Solve for x
    x = 39,049,296.54/9,998.98
  6. Step 6: Final answer
    x = 3,905.33

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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.