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Finding the Fourth Proportional to 58,840, 88,260 and 17,287

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Solution

The fourth proportional to 58,840, 88,260 and 17,287 is: 25,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,840 : 88,260 = 17,287 : x
  2. Step 2: Convert to fraction form
    58,840/88,260 = 17,287/x
  3. Step 3: Cross multiply
    58,840x = 88,260 × 17,287
  4. Step 4: Simplify right side
    58,840x = 1,525,750,620
  5. Step 5: Solve for x
    x = 1,525,750,620/58,840
  6. Step 6: Final answer
    x = 25,930.50

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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.