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Finding the Fourth Proportional to 6,994.86, 9,652.74 and 4,012.44

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Solution

The fourth proportional to 6,994.86, 9,652.74 and 4,012.44 is: 5,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.86 : 9,652.74 = 4,012.44 : x
  2. Step 2: Convert to fraction form
    6,994.86/9,652.74 = 4,012.44/x
  3. Step 3: Cross multiply
    6,994.86x = 9,652.74 × 4,012.44
  4. Step 4: Simplify right side
    6,994.86x = 38,731,040.09
  5. Step 5: Solve for x
    x = 38,731,040.09/6,994.86
  6. Step 6: Final answer
    x = 5,537.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.