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Finding the Fourth Proportional to 4,963.86, 7,447.01 and 3,505.86

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Solution

The fourth proportional to 4,963.86, 7,447.01 and 3,505.86 is: 5,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.86 : 7,447.01 = 3,505.86 : x
  2. Step 2: Convert to fraction form
    4,963.86/7,447.01 = 3,505.86/x
  3. Step 3: Cross multiply
    4,963.86x = 7,447.01 × 3,505.86
  4. Step 4: Simplify right side
    4,963.86x = 26,108,174.48
  5. Step 5: Solve for x
    x = 26,108,174.48/4,963.86
  6. Step 6: Final answer
    x = 5,259.65

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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.