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Finding the Fourth Proportional to 5,052.74, 7,578.03 and 1,589.22

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Solution

The fourth proportional to 5,052.74, 7,578.03 and 1,589.22 is: 2,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.74 : 7,578.03 = 1,589.22 : x
  2. Step 2: Convert to fraction form
    5,052.74/7,578.03 = 1,589.22/x
  3. Step 3: Cross multiply
    5,052.74x = 7,578.03 × 1,589.22
  4. Step 4: Simplify right side
    5,052.74x = 12,043,156.84
  5. Step 5: Solve for x
    x = 12,043,156.84/5,052.74
  6. Step 6: Final answer
    x = 2,383.49

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Double scale
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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.