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Finding the Fourth Proportional to 62,836.84, 94,252.80 and 21,283.84

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Solution

The fourth proportional to 62,836.84, 94,252.80 and 21,283.84 is: 31,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,836.84 : 94,252.80 = 21,283.84 : x
  2. Step 2: Convert to fraction form
    62,836.84/94,252.80 = 21,283.84/x
  3. Step 3: Cross multiply
    62,836.84x = 94,252.80 × 21,283.84
  4. Step 4: Simplify right side
    62,836.84x = 2,006,061,514.75
  5. Step 5: Solve for x
    x = 2,006,061,514.75/62,836.84
  6. Step 6: Final answer
    x = 31,924.93

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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.