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Finding the Fourth Proportional to 56,486.68, 84,749.46 and 25,343.80

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Solution

The fourth proportional to 56,486.68, 84,749.46 and 25,343.80 is: 38,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,486.68 : 84,749.46 = 25,343.80 : x
  2. Step 2: Convert to fraction form
    56,486.68/84,749.46 = 25,343.80/x
  3. Step 3: Cross multiply
    56,486.68x = 84,749.46 × 25,343.80
  4. Step 4: Simplify right side
    56,486.68x = 2,147,873,364.35
  5. Step 5: Solve for x
    x = 2,147,873,364.35/56,486.68
  6. Step 6: Final answer
    x = 38,024.42

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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.