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Finding the Fourth Proportional to 34,924.56, 52,407.86 and 12,739.87

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Solution

The fourth proportional to 34,924.56, 52,407.86 and 12,739.87 is: 19,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,924.56 : 52,407.86 = 12,739.87 : x
  2. Step 2: Convert to fraction form
    34,924.56/52,407.86 = 12,739.87/x
  3. Step 3: Cross multiply
    34,924.56x = 52,407.86 × 12,739.87
  4. Step 4: Simplify right side
    34,924.56x = 667,669,323.38
  5. Step 5: Solve for x
    x = 667,669,323.38/34,924.56
  6. Step 6: Final answer
    x = 19,117.47

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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.