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Finding the Fourth Proportional to 58,604.36, 87,941.10 and 21,694.28

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Solution

The fourth proportional to 58,604.36, 87,941.10 and 21,694.28 is: 32,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,604.36 : 87,941.10 = 21,694.28 : x
  2. Step 2: Convert to fraction form
    58,604.36/87,941.10 = 21,694.28/x
  3. Step 3: Cross multiply
    58,604.36x = 87,941.10 × 21,694.28
  4. Step 4: Simplify right side
    58,604.36x = 1,907,818,846.91
  5. Step 5: Solve for x
    x = 1,907,818,846.91/58,604.36
  6. Step 6: Final answer
    x = 32,554.21

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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.