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Finding the Fourth Proportional to 63,818.88, 95,668.85 and 21,670.14

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Solution

The fourth proportional to 63,818.88, 95,668.85 and 21,670.14 is: 32,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,818.88 : 95,668.85 = 21,670.14 : x
  2. Step 2: Convert to fraction form
    63,818.88/95,668.85 = 21,670.14/x
  3. Step 3: Cross multiply
    63,818.88x = 95,668.85 × 21,670.14
  4. Step 4: Simplify right side
    63,818.88x = 2,073,157,025.62
  5. Step 5: Solve for x
    x = 2,073,157,025.62/63,818.88
  6. Step 6: Final answer
    x = 32,485.01

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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.