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Finding the Fourth Proportional to 5,939.06, 8,908.50 and 1,779.08

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Solution

The fourth proportional to 5,939.06, 8,908.50 and 1,779.08 is: 2,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.06 : 8,908.50 = 1,779.08 : x
  2. Step 2: Convert to fraction form
    5,939.06/8,908.50 = 1,779.08/x
  3. Step 3: Cross multiply
    5,939.06x = 8,908.50 × 1,779.08
  4. Step 4: Simplify right side
    5,939.06x = 15,848,934.18
  5. Step 5: Solve for x
    x = 15,848,934.18/5,939.06
  6. Step 6: Final answer
    x = 2,668.59

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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.