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Finding the Fourth Proportional to 34,849.44, 52,274.16 and 12,658.68

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Solution

The fourth proportional to 34,849.44, 52,274.16 and 12,658.68 is: 18,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,849.44 : 52,274.16 = 12,658.68 : x
  2. Step 2: Convert to fraction form
    34,849.44/52,274.16 = 12,658.68/x
  3. Step 3: Cross multiply
    34,849.44x = 52,274.16 × 12,658.68
  4. Step 4: Simplify right side
    34,849.44x = 661,721,863.71
  5. Step 5: Solve for x
    x = 661,721,863.71/34,849.44
  6. Step 6: Final answer
    x = 18,988.02

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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.