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Finding the Fourth Proportional to 63,063.84, 94,606.92 and 20,946.48

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Solution

The fourth proportional to 63,063.84, 94,606.92 and 20,946.48 is: 31,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,063.84 : 94,606.92 = 20,946.48 : x
  2. Step 2: Convert to fraction form
    63,063.84/94,606.92 = 20,946.48/x
  3. Step 3: Cross multiply
    63,063.84x = 94,606.92 × 20,946.48
  4. Step 4: Simplify right side
    63,063.84x = 1,981,681,957.64
  5. Step 5: Solve for x
    x = 1,981,681,957.64/63,063.84
  6. Step 6: Final answer
    x = 31,423.43

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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.