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Finding the Fourth Proportional to 4,503.25, 6,755.96 and 1,425.25

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Solution

The fourth proportional to 4,503.25, 6,755.96 and 1,425.25 is: 2,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.25 : 6,755.96 = 1,425.25 : x
  2. Step 2: Convert to fraction form
    4,503.25/6,755.96 = 1,425.25/x
  3. Step 3: Cross multiply
    4,503.25x = 6,755.96 × 1,425.25
  4. Step 4: Simplify right side
    4,503.25x = 9,628,931.99
  5. Step 5: Solve for x
    x = 9,628,931.99/4,503.25
  6. Step 6: Final answer
    x = 2,138.22

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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.