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Finding the Fourth Proportional to 1,396.52, 2,094.50 and 703.01

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Solution

The fourth proportional to 1,396.52, 2,094.50 and 703.01 is: 1,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.52 : 2,094.50 = 703.01 : x
  2. Step 2: Convert to fraction form
    1,396.52/2,094.50 = 703.01/x
  3. Step 3: Cross multiply
    1,396.52x = 2,094.50 × 703.01
  4. Step 4: Simplify right side
    1,396.52x = 1,472,440.46
  5. Step 5: Solve for x
    x = 1,472,440.46/1,396.52
  6. Step 6: Final answer
    x = 1,054.37

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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.