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Finding the Fourth Proportional to 17,812.44, 26,701.04 and 8,435.98

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Solution

The fourth proportional to 17,812.44, 26,701.04 and 8,435.98 is: 12,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.44 : 26,701.04 = 8,435.98 : x
  2. Step 2: Convert to fraction form
    17,812.44/26,701.04 = 8,435.98/x
  3. Step 3: Cross multiply
    17,812.44x = 26,701.04 × 8,435.98
  4. Step 4: Simplify right side
    17,812.44x = 225,249,493.89
  5. Step 5: Solve for x
    x = 225,249,493.89/17,812.44
  6. Step 6: Final answer
    x = 12,645.63

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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.