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Finding the Fourth Proportional to 58,004.70, 86,996.07 and 20,563.26

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Solution

The fourth proportional to 58,004.70, 86,996.07 and 20,563.26 is: 30,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,004.70 : 86,996.07 = 20,563.26 : x
  2. Step 2: Convert to fraction form
    58,004.70/86,996.07 = 20,563.26/x
  3. Step 3: Cross multiply
    58,004.70x = 86,996.07 × 20,563.26
  4. Step 4: Simplify right side
    58,004.70x = 1,788,922,806.39
  5. Step 5: Solve for x
    x = 1,788,922,806.39/58,004.70
  6. Step 6: Final answer
    x = 30,841.00

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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.