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Finding the Fourth Proportional to 63,302.94, 94,951.08 and 18,930.06

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Solution

The fourth proportional to 63,302.94, 94,951.08 and 18,930.06 is: 28,394.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,302.94 : 94,951.08 = 18,930.06 : x
  2. Step 2: Convert to fraction form
    63,302.94/94,951.08 = 18,930.06/x
  3. Step 3: Cross multiply
    63,302.94x = 94,951.08 × 18,930.06
  4. Step 4: Simplify right side
    63,302.94x = 1,797,429,641.46
  5. Step 5: Solve for x
    x = 1,797,429,641.46/63,302.94
  6. Step 6: Final answer
    x = 28,394.09

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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.