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Finding the Fourth Proportional to 58,395.50, 87,584.95 and 18,409.29

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Solution

The fourth proportional to 58,395.50, 87,584.95 and 18,409.29 is: 27,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,395.50 : 87,584.95 = 18,409.29 : x
  2. Step 2: Convert to fraction form
    58,395.50/87,584.95 = 18,409.29/x
  3. Step 3: Cross multiply
    58,395.50x = 87,584.95 × 18,409.29
  4. Step 4: Simplify right side
    58,395.50x = 1,612,376,827.87
  5. Step 5: Solve for x
    x = 1,612,376,827.87/58,395.50
  6. Step 6: Final answer
    x = 27,611.32

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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.