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Finding the Fourth Proportional to 34,292.58, 51,448.62 and 10,920.84

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Solution

The fourth proportional to 34,292.58, 51,448.62 and 10,920.84 is: 16,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,292.58 : 51,448.62 = 10,920.84 : x
  2. Step 2: Convert to fraction form
    34,292.58/51,448.62 = 10,920.84/x
  3. Step 3: Cross multiply
    34,292.58x = 51,448.62 × 10,920.84
  4. Step 4: Simplify right side
    34,292.58x = 561,862,147.24
  5. Step 5: Solve for x
    x = 561,862,147.24/34,292.58
  6. Step 6: Final answer
    x = 16,384.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.