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Finding the Fourth Proportional to 6,968.74, 10,452.90 and 1,774.60

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Solution

The fourth proportional to 6,968.74, 10,452.90 and 1,774.60 is: 2,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.74 : 10,452.90 = 1,774.60 : x
  2. Step 2: Convert to fraction form
    6,968.74/10,452.90 = 1,774.60/x
  3. Step 3: Cross multiply
    6,968.74x = 10,452.90 × 1,774.60
  4. Step 4: Simplify right side
    6,968.74x = 18,549,716.34
  5. Step 5: Solve for x
    x = 18,549,716.34/6,968.74
  6. Step 6: Final answer
    x = 2,661.85

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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.