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Finding the Fourth Proportional to 79,589.76, 109,797.06 and 47,703.30

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Solution

The fourth proportional to 79,589.76, 109,797.06 and 47,703.30 is: 65,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,589.76 : 109,797.06 = 47,703.30 : x
  2. Step 2: Convert to fraction form
    79,589.76/109,797.06 = 47,703.30/x
  3. Step 3: Cross multiply
    79,589.76x = 109,797.06 × 47,703.30
  4. Step 4: Simplify right side
    79,589.76x = 5,237,682,092.30
  5. Step 5: Solve for x
    x = 5,237,682,092.30/79,589.76
  6. Step 6: Final answer
    x = 65,808.49

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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.