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Finding the Fourth Proportional to 34,474.51, 51,698.99 and 12,281.99

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Solution

The fourth proportional to 34,474.51, 51,698.99 and 12,281.99 is: 18,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,474.51 : 51,698.99 = 12,281.99 : x
  2. Step 2: Convert to fraction form
    34,474.51/51,698.99 = 12,281.99/x
  3. Step 3: Cross multiply
    34,474.51x = 51,698.99 × 12,281.99
  4. Step 4: Simplify right side
    34,474.51x = 634,966,416.78
  5. Step 5: Solve for x
    x = 634,966,416.78/34,474.51
  6. Step 6: Final answer
    x = 18,418.43

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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.