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Finding the Fourth Proportional to 2,668.53, 3,674.54 and 2,512.65

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Solution

The fourth proportional to 2,668.53, 3,674.54 and 2,512.65 is: 3,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.53 : 3,674.54 = 2,512.65 : x
  2. Step 2: Convert to fraction form
    2,668.53/3,674.54 = 2,512.65/x
  3. Step 3: Cross multiply
    2,668.53x = 3,674.54 × 2,512.65
  4. Step 4: Simplify right side
    2,668.53x = 9,232,820.37
  5. Step 5: Solve for x
    x = 9,232,820.37/2,668.53
  6. Step 6: Final answer
    x = 3,459.89

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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.