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Finding the Fourth Proportional to 34,521.84, 51,731.22 and 17,859.60

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Solution

The fourth proportional to 34,521.84, 51,731.22 and 17,859.60 is: 26,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,521.84 : 51,731.22 = 17,859.60 : x
  2. Step 2: Convert to fraction form
    34,521.84/51,731.22 = 17,859.60/x
  3. Step 3: Cross multiply
    34,521.84x = 51,731.22 × 17,859.60
  4. Step 4: Simplify right side
    34,521.84x = 923,898,896.71
  5. Step 5: Solve for x
    x = 923,898,896.71/34,521.84
  6. Step 6: Final answer
    x = 26,762.74

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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.