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Finding the Fourth Proportional to 79,508.58, 119,268.39 and 26,900.28

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Solution

The fourth proportional to 79,508.58, 119,268.39 and 26,900.28 is: 40,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,508.58 : 119,268.39 = 26,900.28 : x
  2. Step 2: Convert to fraction form
    79,508.58/119,268.39 = 26,900.28/x
  3. Step 3: Cross multiply
    79,508.58x = 119,268.39 × 26,900.28
  4. Step 4: Simplify right side
    79,508.58x = 3,208,353,086.15
  5. Step 5: Solve for x
    x = 3,208,353,086.15/79,508.58
  6. Step 6: Final answer
    x = 40,352.29

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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.