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Finding the Fourth Proportional to 62,551.88, 93,837.41 and 21,008.60

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Solution

The fourth proportional to 62,551.88, 93,837.41 and 21,008.60 is: 31,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,551.88 : 93,837.41 = 21,008.60 : x
  2. Step 2: Convert to fraction form
    62,551.88/93,837.41 = 21,008.60/x
  3. Step 3: Cross multiply
    62,551.88x = 93,837.41 × 21,008.60
  4. Step 4: Simplify right side
    62,551.88x = 1,971,392,506.68
  5. Step 5: Solve for x
    x = 1,971,392,506.68/62,551.88
  6. Step 6: Final answer
    x = 31,516.12

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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.