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Finding the Fourth Proportional to 56,474.60, 84,656.80 and 26,884.48

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Solution

The fourth proportional to 56,474.60, 84,656.80 and 26,884.48 is: 40,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,474.60 : 84,656.80 = 26,884.48 : x
  2. Step 2: Convert to fraction form
    56,474.60/84,656.80 = 26,884.48/x
  3. Step 3: Cross multiply
    56,474.60x = 84,656.80 × 26,884.48
  4. Step 4: Simplify right side
    56,474.60x = 2,275,954,046.46
  5. Step 5: Solve for x
    x = 2,275,954,046.46/56,474.60
  6. Step 6: Final answer
    x = 40,300.49

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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.