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Finding the Fourth Proportional to 63,447.80, 95,176.56 and 16,700

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Solution

The fourth proportional to 63,447.80, 95,176.56 and 16,700 is: 25,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,447.80 : 95,176.56 = 16,700 : x
  2. Step 2: Convert to fraction form
    63,447.80/95,176.56 = 16,700/x
  3. Step 3: Cross multiply
    63,447.80x = 95,176.56 × 16,700
  4. Step 4: Simplify right side
    63,447.80x = 1,589,448,552
  5. Step 5: Solve for x
    x = 1,589,448,552/63,447.80
  6. Step 6: Final answer
    x = 25,051.28

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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.