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Finding the Fourth Proportional to 84,589.22, 116,724.64 and 50,590.89

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Solution

The fourth proportional to 84,589.22, 116,724.64 and 50,590.89 is: 69,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,589.22 : 116,724.64 = 50,590.89 : x
  2. Step 2: Convert to fraction form
    84,589.22/116,724.64 = 50,590.89/x
  3. Step 3: Cross multiply
    84,589.22x = 116,724.64 × 50,590.89
  4. Step 4: Simplify right side
    84,589.22x = 5,905,203,422.53
  5. Step 5: Solve for x
    x = 5,905,203,422.53/84,589.22
  6. Step 6: Final answer
    x = 69,810.35

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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.