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Finding the Fourth Proportional to 63,670.40, 95,481.30 and 19,282.40

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Solution

The fourth proportional to 63,670.40, 95,481.30 and 19,282.40 is: 28,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.40 : 95,481.30 = 19,282.40 : x
  2. Step 2: Convert to fraction form
    63,670.40/95,481.30 = 19,282.40/x
  3. Step 3: Cross multiply
    63,670.40x = 95,481.30 × 19,282.40
  4. Step 4: Simplify right side
    63,670.40x = 1,841,108,619.12
  5. Step 5: Solve for x
    x = 1,841,108,619.12/63,670.40
  6. Step 6: Final answer
    x = 28,916.24

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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.