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Finding the Fourth Proportional to 897.37, 1,235.69 and 832.03

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Solution

The fourth proportional to 897.37, 1,235.69 and 832.03 is: 1,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.37 : 1,235.69 = 832.03 : x
  2. Step 2: Convert to fraction form
    897.37/1,235.69 = 832.03/x
  3. Step 3: Cross multiply
    897.37x = 1,235.69 × 832.03
  4. Step 4: Simplify right side
    897.37x = 1,028,127.02
  5. Step 5: Solve for x
    x = 1,028,127.02/897.37
  6. Step 6: Final answer
    x = 1,145.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.