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Finding the Fourth Proportional to 1,903.37, 2,611.64 and 1,798.88

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Solution

The fourth proportional to 1,903.37, 2,611.64 and 1,798.88 is: 2,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.37 : 2,611.64 = 1,798.88 : x
  2. Step 2: Convert to fraction form
    1,903.37/2,611.64 = 1,798.88/x
  3. Step 3: Cross multiply
    1,903.37x = 2,611.64 × 1,798.88
  4. Step 4: Simplify right side
    1,903.37x = 4,698,024.50
  5. Step 5: Solve for x
    x = 4,698,024.50/1,903.37
  6. Step 6: Final answer
    x = 2,468.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.