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Finding the Fourth Proportional to 58,486.89, 87,737.63 and 19,033.41

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Solution

The fourth proportional to 58,486.89, 87,737.63 and 19,033.41 is: 28,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,486.89 : 87,737.63 = 19,033.41 : x
  2. Step 2: Convert to fraction form
    58,486.89/87,737.63 = 19,033.41/x
  3. Step 3: Cross multiply
    58,486.89x = 87,737.63 × 19,033.41
  4. Step 4: Simplify right side
    58,486.89x = 1,669,946,189.05
  5. Step 5: Solve for x
    x = 1,669,946,189.05/58,486.89
  6. Step 6: Final answer
    x = 28,552.49

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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.