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Finding the Fourth Proportional to 9,998.41, 14,999.43 and 5,003.39

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Solution

The fourth proportional to 9,998.41, 14,999.43 and 5,003.39 is: 7,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.41 : 14,999.43 = 5,003.39 : x
  2. Step 2: Convert to fraction form
    9,998.41/14,999.43 = 5,003.39/x
  3. Step 3: Cross multiply
    9,998.41x = 14,999.43 × 5,003.39
  4. Step 4: Simplify right side
    9,998.41x = 75,047,998.07
  5. Step 5: Solve for x
    x = 75,047,998.07/9,998.41
  6. Step 6: Final answer
    x = 7,505.99

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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.