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Finding the Fourth Proportional to 56,483.44, 84,725.78 and 17,040.90

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Solution

The fourth proportional to 56,483.44, 84,725.78 and 17,040.90 is: 25,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,483.44 : 84,725.78 = 17,040.90 : x
  2. Step 2: Convert to fraction form
    56,483.44/84,725.78 = 17,040.90/x
  3. Step 3: Cross multiply
    56,483.44x = 84,725.78 × 17,040.90
  4. Step 4: Simplify right side
    56,483.44x = 1,443,803,544.40
  5. Step 5: Solve for x
    x = 1,443,803,544.40/56,483.44
  6. Step 6: Final answer
    x = 25,561.54

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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.