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Finding the Fourth Proportional to 4,403.88, 6,592.86 and 2,939.40

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Solution

The fourth proportional to 4,403.88, 6,592.86 and 2,939.40 is: 4,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403.88 : 6,592.86 = 2,939.40 : x
  2. Step 2: Convert to fraction form
    4,403.88/6,592.86 = 2,939.40/x
  3. Step 3: Cross multiply
    4,403.88x = 6,592.86 × 2,939.40
  4. Step 4: Simplify right side
    4,403.88x = 19,379,052.68
  5. Step 5: Solve for x
    x = 19,379,052.68/4,403.88
  6. Step 6: Final answer
    x = 4,400.45

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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.