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Finding the Fourth Proportional to 58,489.26, 87,740.03 and 19,049.45

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Solution

The fourth proportional to 58,489.26, 87,740.03 and 19,049.45 is: 28,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,489.26 : 87,740.03 = 19,049.45 : x
  2. Step 2: Convert to fraction form
    58,489.26/87,740.03 = 19,049.45/x
  3. Step 3: Cross multiply
    58,489.26x = 87,740.03 × 19,049.45
  4. Step 4: Simplify right side
    58,489.26x = 1,671,398,923.41
  5. Step 5: Solve for x
    x = 1,671,398,923.41/58,489.26
  6. Step 6: Final answer
    x = 28,576.17

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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.