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Finding the Fourth Proportional to 62,938.68, 94,408.62 and 17,959.98

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Solution

The fourth proportional to 62,938.68, 94,408.62 and 17,959.98 is: 26,940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,938.68 : 94,408.62 = 17,959.98 : x
  2. Step 2: Convert to fraction form
    62,938.68/94,408.62 = 17,959.98/x
  3. Step 3: Cross multiply
    62,938.68x = 94,408.62 × 17,959.98
  4. Step 4: Simplify right side
    62,938.68x = 1,695,576,927.03
  5. Step 5: Solve for x
    x = 1,695,576,927.03/62,938.68
  6. Step 6: Final answer
    x = 26,940.14

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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.