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Finding the Fourth Proportional to 53,486.88, 80,346.36 and 41,822.88

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Solution

The fourth proportional to 53,486.88, 80,346.36 and 41,822.88 is: 62,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,486.88 : 80,346.36 = 41,822.88 : x
  2. Step 2: Convert to fraction form
    53,486.88/80,346.36 = 41,822.88/x
  3. Step 3: Cross multiply
    53,486.88x = 80,346.36 × 41,822.88
  4. Step 4: Simplify right side
    53,486.88x = 3,360,316,172.72
  5. Step 5: Solve for x
    x = 3,360,316,172.72/53,486.88
  6. Step 6: Final answer
    x = 62,825.05

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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.