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Finding the Fourth Proportional to 58,397.94, 87,595.68 and 18,954.99

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Solution

The fourth proportional to 58,397.94, 87,595.68 and 18,954.99 is: 28,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,397.94 : 87,595.68 = 18,954.99 : x
  2. Step 2: Convert to fraction form
    58,397.94/87,595.68 = 18,954.99/x
  3. Step 3: Cross multiply
    58,397.94x = 87,595.68 × 18,954.99
  4. Step 4: Simplify right side
    58,397.94x = 1,660,375,238.44
  5. Step 5: Solve for x
    x = 1,660,375,238.44/58,397.94
  6. Step 6: Final answer
    x = 28,432.09

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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.