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Finding the Fourth Proportional to 56,486.43, 84,736.71 and 17,043.48

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Solution

The fourth proportional to 56,486.43, 84,736.71 and 17,043.48 is: 25,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,486.43 : 84,736.71 = 17,043.48 : x
  2. Step 2: Convert to fraction form
    56,486.43/84,736.71 = 17,043.48/x
  3. Step 3: Cross multiply
    56,486.43x = 84,736.71 × 17,043.48
  4. Step 4: Simplify right side
    56,486.43x = 1,444,208,422.15
  5. Step 5: Solve for x
    x = 1,444,208,422.15/56,486.43
  6. Step 6: Final answer
    x = 25,567.35

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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.