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Finding the Fourth Proportional to 39,580.41, 59,370 and 15,893.99

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Solution

The fourth proportional to 39,580.41, 59,370 and 15,893.99 is: 23,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,580.41 : 59,370 = 15,893.99 : x
  2. Step 2: Convert to fraction form
    39,580.41/59,370 = 15,893.99/x
  3. Step 3: Cross multiply
    39,580.41x = 59,370 × 15,893.99
  4. Step 4: Simplify right side
    39,580.41x = 943,625,889.45
  5. Step 5: Solve for x
    x = 943,625,889.45/39,580.41
  6. Step 6: Final answer
    x = 23,840.73

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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.