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Finding the Fourth Proportional to 63,293.70, 94,925.96 and 18,919.48

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Solution

The fourth proportional to 63,293.70, 94,925.96 and 18,919.48 is: 28,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,293.70 : 94,925.96 = 18,919.48 : x
  2. Step 2: Convert to fraction form
    63,293.70/94,925.96 = 18,919.48/x
  3. Step 3: Cross multiply
    63,293.70x = 94,925.96 × 18,919.48
  4. Step 4: Simplify right side
    63,293.70x = 1,795,949,801.70
  5. Step 5: Solve for x
    x = 1,795,949,801.70/63,293.70
  6. Step 6: Final answer
    x = 28,374.86

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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.