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Finding the Fourth Proportional to 63,470.64, 95,219.28 and 19,100.64

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Solution

The fourth proportional to 63,470.64, 95,219.28 and 19,100.64 is: 28,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,470.64 : 95,219.28 = 19,100.64 : x
  2. Step 2: Convert to fraction form
    63,470.64/95,219.28 = 19,100.64/x
  3. Step 3: Cross multiply
    63,470.64x = 95,219.28 × 19,100.64
  4. Step 4: Simplify right side
    63,470.64x = 1,818,749,188.34
  5. Step 5: Solve for x
    x = 1,818,749,188.34/63,470.64
  6. Step 6: Final answer
    x = 28,654.97

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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.