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Finding the Fourth Proportional to 4,766.90, 6,578.21 and 2,670.98

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Solution

The fourth proportional to 4,766.90, 6,578.21 and 2,670.98 is: 3,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.90 : 6,578.21 = 2,670.98 : x
  2. Step 2: Convert to fraction form
    4,766.90/6,578.21 = 2,670.98/x
  3. Step 3: Cross multiply
    4,766.90x = 6,578.21 × 2,670.98
  4. Step 4: Simplify right side
    4,766.90x = 17,570,267.35
  5. Step 5: Solve for x
    x = 17,570,267.35/4,766.90
  6. Step 6: Final answer
    x = 3,685.89

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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.