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Finding the Fourth Proportional to 58,240.98, 87,361.23 and 16,687.98

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Solution

The fourth proportional to 58,240.98, 87,361.23 and 16,687.98 is: 25,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,240.98 : 87,361.23 = 16,687.98 : x
  2. Step 2: Convert to fraction form
    58,240.98/87,361.23 = 16,687.98/x
  3. Step 3: Cross multiply
    58,240.98x = 87,361.23 × 16,687.98
  4. Step 4: Simplify right side
    58,240.98x = 1,457,882,459.02
  5. Step 5: Solve for x
    x = 1,457,882,459.02/58,240.98
  6. Step 6: Final answer
    x = 25,031.90

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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.