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Finding the Fourth Proportional to 63,798.22, 95,711.66 and 19,428.48

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Solution

The fourth proportional to 63,798.22, 95,711.66 and 19,428.48 is: 29,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,798.22 : 95,711.66 = 19,428.48 : x
  2. Step 2: Convert to fraction form
    63,798.22/95,711.66 = 19,428.48/x
  3. Step 3: Cross multiply
    63,798.22x = 95,711.66 × 19,428.48
  4. Step 4: Simplify right side
    63,798.22x = 1,859,532,072.08
  5. Step 5: Solve for x
    x = 1,859,532,072.08/63,798.22
  6. Step 6: Final answer
    x = 29,147.08

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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.