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Finding the Fourth Proportional to 1,937.55, 2,902.22 and 1,203.53

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Solution

The fourth proportional to 1,937.55, 2,902.22 and 1,203.53 is: 1,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.55 : 2,902.22 = 1,203.53 : x
  2. Step 2: Convert to fraction form
    1,937.55/2,902.22 = 1,203.53/x
  3. Step 3: Cross multiply
    1,937.55x = 2,902.22 × 1,203.53
  4. Step 4: Simplify right side
    1,937.55x = 3,492,915.62
  5. Step 5: Solve for x
    x = 3,492,915.62/1,937.55
  6. Step 6: Final answer
    x = 1,802.75

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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.