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Finding the Fourth Proportional to 53,956.60, 80,934.90 and 50,673.40

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Solution

The fourth proportional to 53,956.60, 80,934.90 and 50,673.40 is: 76,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,956.60 : 80,934.90 = 50,673.40 : x
  2. Step 2: Convert to fraction form
    53,956.60/80,934.90 = 50,673.40/x
  3. Step 3: Cross multiply
    53,956.60x = 80,934.90 × 50,673.40
  4. Step 4: Simplify right side
    53,956.60x = 4,101,246,561.66
  5. Step 5: Solve for x
    x = 4,101,246,561.66/53,956.60
  6. Step 6: Final answer
    x = 76,010.10

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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.