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Finding the Fourth Proportional to 84,626.56, 116,805.52 and 48,837.84

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Solution

The fourth proportional to 84,626.56, 116,805.52 and 48,837.84 is: 67,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,626.56 : 116,805.52 = 48,837.84 : x
  2. Step 2: Convert to fraction form
    84,626.56/116,805.52 = 48,837.84/x
  3. Step 3: Cross multiply
    84,626.56x = 116,805.52 × 48,837.84
  4. Step 4: Simplify right side
    84,626.56x = 5,704,529,296.88
  5. Step 5: Solve for x
    x = 5,704,529,296.88/84,626.56
  6. Step 6: Final answer
    x = 67,408.26

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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.