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Finding the Fourth Proportional to 77,642.79, 116,464.16 and 25,052.27

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Solution

The fourth proportional to 77,642.79, 116,464.16 and 25,052.27 is: 37,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,642.79 : 116,464.16 = 25,052.27 : x
  2. Step 2: Convert to fraction form
    77,642.79/116,464.16 = 25,052.27/x
  3. Step 3: Cross multiply
    77,642.79x = 116,464.16 × 25,052.27
  4. Step 4: Simplify right side
    77,642.79x = 2,917,690,874.06
  5. Step 5: Solve for x
    x = 2,917,690,874.06/77,642.79
  6. Step 6: Final answer
    x = 37,578.39

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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.