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Finding the Fourth Proportional to 5,939.48, 8,909.28 and 5,759.04

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Solution

The fourth proportional to 5,939.48, 8,909.28 and 5,759.04 is: 8,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.48 : 8,909.28 = 5,759.04 : x
  2. Step 2: Convert to fraction form
    5,939.48/8,909.28 = 5,759.04/x
  3. Step 3: Cross multiply
    5,939.48x = 8,909.28 × 5,759.04
  4. Step 4: Simplify right side
    5,939.48x = 51,308,899.89
  5. Step 5: Solve for x
    x = 51,308,899.89/5,939.48
  6. Step 6: Final answer
    x = 8,638.62

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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.