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Finding the Fourth Proportional to 11,998.58, 17,998.05 and 4,603.46

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Solution

The fourth proportional to 11,998.58, 17,998.05 and 4,603.46 is: 6,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.58 : 17,998.05 = 4,603.46 : x
  2. Step 2: Convert to fraction form
    11,998.58/17,998.05 = 4,603.46/x
  3. Step 3: Cross multiply
    11,998.58x = 17,998.05 × 4,603.46
  4. Step 4: Simplify right side
    11,998.58x = 82,853,213.26
  5. Step 5: Solve for x
    x = 82,853,213.26/11,998.58
  6. Step 6: Final answer
    x = 6,905.25

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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.