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Finding the Fourth Proportional to 2,154.30, 3,231.48 and 594.33

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Solution

The fourth proportional to 2,154.30, 3,231.48 and 594.33 is: 891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.30 : 3,231.48 = 594.33 : x
  2. Step 2: Convert to fraction form
    2,154.30/3,231.48 = 594.33/x
  3. Step 3: Cross multiply
    2,154.30x = 3,231.48 × 594.33
  4. Step 4: Simplify right side
    2,154.30x = 1,920,565.51
  5. Step 5: Solve for x
    x = 1,920,565.51/2,154.30
  6. Step 6: Final answer
    x = 891.50

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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.