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Finding the Fourth Proportional to 63,390.30, 95,078.04 and 16,646.82

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Solution

The fourth proportional to 63,390.30, 95,078.04 and 16,646.82 is: 24,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,390.30 : 95,078.04 = 16,646.82 : x
  2. Step 2: Convert to fraction form
    63,390.30/95,078.04 = 16,646.82/x
  3. Step 3: Cross multiply
    63,390.30x = 95,078.04 × 16,646.82
  4. Step 4: Simplify right side
    63,390.30x = 1,582,747,017.83
  5. Step 5: Solve for x
    x = 1,582,747,017.83/63,390.30
  6. Step 6: Final answer
    x = 24,968.28

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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.