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Finding the Fourth Proportional to 34,751.88, 52,127.52 and 12,556.86

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Solution

The fourth proportional to 34,751.88, 52,127.52 and 12,556.86 is: 18,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.88 : 52,127.52 = 12,556.86 : x
  2. Step 2: Convert to fraction form
    34,751.88/52,127.52 = 12,556.86/x
  3. Step 3: Cross multiply
    34,751.88x = 52,127.52 × 12,556.86
  4. Step 4: Simplify right side
    34,751.88x = 654,557,970.79
  5. Step 5: Solve for x
    x = 654,557,970.79/34,751.88
  6. Step 6: Final answer
    x = 18,835.18

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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.