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Finding the Fourth Proportional to 53,656, 80,536.98 and 40,282.49

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Solution

The fourth proportional to 53,656, 80,536.98 and 40,282.49 is: 60,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,656 : 80,536.98 = 40,282.49 : x
  2. Step 2: Convert to fraction form
    53,656/80,536.98 = 40,282.49/x
  3. Step 3: Cross multiply
    53,656x = 80,536.98 × 40,282.49
  4. Step 4: Simplify right side
    53,656x = 3,244,230,091.48
  5. Step 5: Solve for x
    x = 3,244,230,091.48/53,656
  6. Step 6: Final answer
    x = 60,463.51

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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.