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Finding the Fourth Proportional to 4,503.69, 6,755.88 and 1,216.74

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Solution

The fourth proportional to 4,503.69, 6,755.88 and 1,216.74 is: 1,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.69 : 6,755.88 = 1,216.74 : x
  2. Step 2: Convert to fraction form
    4,503.69/6,755.88 = 1,216.74/x
  3. Step 3: Cross multiply
    4,503.69x = 6,755.88 × 1,216.74
  4. Step 4: Simplify right side
    4,503.69x = 8,220,149.43
  5. Step 5: Solve for x
    x = 8,220,149.43/4,503.69
  6. Step 6: Final answer
    x = 1,825.20

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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.