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Finding the Fourth Proportional to 1,937.88, 2,903.18 and 962.84

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Solution

The fourth proportional to 1,937.88, 2,903.18 and 962.84 is: 1,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.88 : 2,903.18 = 962.84 : x
  2. Step 2: Convert to fraction form
    1,937.88/2,903.18 = 962.84/x
  3. Step 3: Cross multiply
    1,937.88x = 2,903.18 × 962.84
  4. Step 4: Simplify right side
    1,937.88x = 2,795,297.83
  5. Step 5: Solve for x
    x = 2,795,297.83/1,937.88
  6. Step 6: Final answer
    x = 1,442.45

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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.