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Finding the Fourth Proportional to 1,984.56, 2,976.48 and 597.84

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Solution

The fourth proportional to 1,984.56, 2,976.48 and 597.84 is: 896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.56 : 2,976.48 = 597.84 : x
  2. Step 2: Convert to fraction form
    1,984.56/2,976.48 = 597.84/x
  3. Step 3: Cross multiply
    1,984.56x = 2,976.48 × 597.84
  4. Step 4: Simplify right side
    1,984.56x = 1,779,458.80
  5. Step 5: Solve for x
    x = 1,779,458.80/1,984.56
  6. Step 6: Final answer
    x = 896.65

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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.