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Finding the Fourth Proportional to 58,260.72, 87,381.36 and 16,698

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Solution

The fourth proportional to 58,260.72, 87,381.36 and 16,698 is: 25,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,260.72 : 87,381.36 = 16,698 : x
  2. Step 2: Convert to fraction form
    58,260.72/87,381.36 = 16,698/x
  3. Step 3: Cross multiply
    58,260.72x = 87,381.36 × 16,698
  4. Step 4: Simplify right side
    58,260.72x = 1,459,093,949.28
  5. Step 5: Solve for x
    x = 1,459,093,949.28/58,260.72
  6. Step 6: Final answer
    x = 25,044.21

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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.