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Finding the Fourth Proportional to 1,697.36, 2,544 and 1,203

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Solution

The fourth proportional to 1,697.36, 2,544 and 1,203 is: 1,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.36 : 2,544 = 1,203 : x
  2. Step 2: Convert to fraction form
    1,697.36/2,544 = 1,203/x
  3. Step 3: Cross multiply
    1,697.36x = 2,544 × 1,203
  4. Step 4: Simplify right side
    1,697.36x = 3,060,432
  5. Step 5: Solve for x
    x = 3,060,432/1,697.36
  6. Step 6: Final answer
    x = 1,803.05

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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.