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Finding the Fourth Proportional to 2,358.32, 3,538.62 and 897.44

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Solution

The fourth proportional to 2,358.32, 3,538.62 and 897.44 is: 1,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.32 : 3,538.62 = 897.44 : x
  2. Step 2: Convert to fraction form
    2,358.32/3,538.62 = 897.44/x
  3. Step 3: Cross multiply
    2,358.32x = 3,538.62 × 897.44
  4. Step 4: Simplify right side
    2,358.32x = 3,175,699.13
  5. Step 5: Solve for x
    x = 3,175,699.13/2,358.32
  6. Step 6: Final answer
    x = 1,346.59

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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.