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Finding the Fourth Proportional to 58,609.50, 87,894.53 and 19,157.37

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Solution

The fourth proportional to 58,609.50, 87,894.53 and 19,157.37 is: 28,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,609.50 : 87,894.53 = 19,157.37 : x
  2. Step 2: Convert to fraction form
    58,609.50/87,894.53 = 19,157.37/x
  3. Step 3: Cross multiply
    58,609.50x = 87,894.53 × 19,157.37
  4. Step 4: Simplify right side
    58,609.50x = 1,683,828,032.19
  5. Step 5: Solve for x
    x = 1,683,828,032.19/58,609.50
  6. Step 6: Final answer
    x = 28,729.61

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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.