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Finding the Fourth Proportional to 2,699.22, 4,048.14 and 967.86

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Solution

The fourth proportional to 2,699.22, 4,048.14 and 967.86 is: 1,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.22 : 4,048.14 = 967.86 : x
  2. Step 2: Convert to fraction form
    2,699.22/4,048.14 = 967.86/x
  3. Step 3: Cross multiply
    2,699.22x = 4,048.14 × 967.86
  4. Step 4: Simplify right side
    2,699.22x = 3,918,032.78
  5. Step 5: Solve for x
    x = 3,918,032.78/2,699.22
  6. Step 6: Final answer
    x = 1,451.54

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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.