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Finding the Fourth Proportional to 34,639.95, 51,959.93 and 8,344.68

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Solution

The fourth proportional to 34,639.95, 51,959.93 and 8,344.68 is: 12,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,639.95 : 51,959.93 = 8,344.68 : x
  2. Step 2: Convert to fraction form
    34,639.95/51,959.93 = 8,344.68/x
  3. Step 3: Cross multiply
    34,639.95x = 51,959.93 × 8,344.68
  4. Step 4: Simplify right side
    34,639.95x = 433,588,988.67
  5. Step 5: Solve for x
    x = 433,588,988.67/34,639.95
  6. Step 6: Final answer
    x = 12,517.02

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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.