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Finding the Fourth Proportional to 58,598.43, 87,893.16 and 21,158.52

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Solution

The fourth proportional to 58,598.43, 87,893.16 and 21,158.52 is: 31,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,598.43 : 87,893.16 = 21,158.52 : x
  2. Step 2: Convert to fraction form
    58,598.43/87,893.16 = 21,158.52/x
  3. Step 3: Cross multiply
    58,598.43x = 87,893.16 × 21,158.52
  4. Step 4: Simplify right side
    58,598.43x = 1,859,689,183.72
  5. Step 5: Solve for x
    x = 1,859,689,183.72/58,598.43
  6. Step 6: Final answer
    x = 31,736.16

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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.