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Finding the Fourth Proportional to 9,998.58, 14,996.34 and 3,423.26

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Solution

The fourth proportional to 9,998.58, 14,996.34 and 3,423.26 is: 5,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.58 : 14,996.34 = 3,423.26 : x
  2. Step 2: Convert to fraction form
    9,998.58/14,996.34 = 3,423.26/x
  3. Step 3: Cross multiply
    9,998.58x = 14,996.34 × 3,423.26
  4. Step 4: Simplify right side
    9,998.58x = 51,336,295.89
  5. Step 5: Solve for x
    x = 51,336,295.89/9,998.58
  6. Step 6: Final answer
    x = 5,134.36

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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.