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Finding the Fourth Proportional to 4,668.21, 6,968.16 and 4,114.65

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Solution

The fourth proportional to 4,668.21, 6,968.16 and 4,114.65 is: 6,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.21 : 6,968.16 = 4,114.65 : x
  2. Step 2: Convert to fraction form
    4,668.21/6,968.16 = 4,114.65/x
  3. Step 3: Cross multiply
    4,668.21x = 6,968.16 × 4,114.65
  4. Step 4: Simplify right side
    4,668.21x = 28,671,539.54
  5. Step 5: Solve for x
    x = 28,671,539.54/4,668.21
  6. Step 6: Final answer
    x = 6,141.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.