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Finding the Fourth Proportional to 58,256.92, 87,367.02 and 18,804.52

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Solution

The fourth proportional to 58,256.92, 87,367.02 and 18,804.52 is: 28,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,256.92 : 87,367.02 = 18,804.52 : x
  2. Step 2: Convert to fraction form
    58,256.92/87,367.02 = 18,804.52/x
  3. Step 3: Cross multiply
    58,256.92x = 87,367.02 × 18,804.52
  4. Step 4: Simplify right side
    58,256.92x = 1,642,894,874.93
  5. Step 5: Solve for x
    x = 1,642,894,874.93/58,256.92
  6. Step 6: Final answer
    x = 28,200.85

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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.