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Finding the Fourth Proportional to 5,755.91, 7,945.71 and 4,476.89

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Solution

The fourth proportional to 5,755.91, 7,945.71 and 4,476.89 is: 6,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.91 : 7,945.71 = 4,476.89 : x
  2. Step 2: Convert to fraction form
    5,755.91/7,945.71 = 4,476.89/x
  3. Step 3: Cross multiply
    5,755.91x = 7,945.71 × 4,476.89
  4. Step 4: Simplify right side
    5,755.91x = 35,572,029.91
  5. Step 5: Solve for x
    x = 35,572,029.91/5,755.91
  6. Step 6: Final answer
    x = 6,180.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.