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Finding the Fourth Proportional to 58,097.99, 87,137.87 and 15,981.23

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Solution

The fourth proportional to 58,097.99, 87,137.87 and 15,981.23 is: 23,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,097.99 : 87,137.87 = 15,981.23 : x
  2. Step 2: Convert to fraction form
    58,097.99/87,137.87 = 15,981.23/x
  3. Step 3: Cross multiply
    58,097.99x = 87,137.87 × 15,981.23
  4. Step 4: Simplify right side
    58,097.99x = 1,392,570,342.18
  5. Step 5: Solve for x
    x = 1,392,570,342.18/58,097.99
  6. Step 6: Final answer
    x = 23,969.34

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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.