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Finding the Fourth Proportional to 5,853.49, 8,779.26 and 1,957.89

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Solution

The fourth proportional to 5,853.49, 8,779.26 and 1,957.89 is: 2,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.49 : 8,779.26 = 1,957.89 : x
  2. Step 2: Convert to fraction form
    5,853.49/8,779.26 = 1,957.89/x
  3. Step 3: Cross multiply
    5,853.49x = 8,779.26 × 1,957.89
  4. Step 4: Simplify right side
    5,853.49x = 17,188,825.36
  5. Step 5: Solve for x
    x = 17,188,825.36/5,853.49
  6. Step 6: Final answer
    x = 2,936.51

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1.5x scale

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.