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Finding the Fourth Proportional to 9,998.22, 14,992.64 and 2,975.64

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Solution

The fourth proportional to 9,998.22, 14,992.64 and 2,975.64 is: 4,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.22 : 14,992.64 = 2,975.64 : x
  2. Step 2: Convert to fraction form
    9,998.22/14,992.64 = 2,975.64/x
  3. Step 3: Cross multiply
    9,998.22x = 14,992.64 × 2,975.64
  4. Step 4: Simplify right side
    9,998.22x = 44,612,699.29
  5. Step 5: Solve for x
    x = 44,612,699.29/9,998.22
  6. Step 6: Final answer
    x = 4,462.06

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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.