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Finding the Fourth Proportional to 77,408.76, 116,132.64 and 22,004.76

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Solution

The fourth proportional to 77,408.76, 116,132.64 and 22,004.76 is: 33,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,408.76 : 116,132.64 = 22,004.76 : x
  2. Step 2: Convert to fraction form
    77,408.76/116,132.64 = 22,004.76/x
  3. Step 3: Cross multiply
    77,408.76x = 116,132.64 × 22,004.76
  4. Step 4: Simplify right side
    77,408.76x = 2,555,470,871.37
  5. Step 5: Solve for x
    x = 2,555,470,871.37/77,408.76
  6. Step 6: Final answer
    x = 33,012.68

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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.