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Finding the Fourth Proportional to 63,711.84, 95,536.80 and 19,330.56

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Solution

The fourth proportional to 63,711.84, 95,536.80 and 19,330.56 is: 28,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,711.84 : 95,536.80 = 19,330.56 : x
  2. Step 2: Convert to fraction form
    63,711.84/95,536.80 = 19,330.56/x
  3. Step 3: Cross multiply
    63,711.84x = 95,536.80 × 19,330.56
  4. Step 4: Simplify right side
    63,711.84x = 1,846,779,844.61
  5. Step 5: Solve for x
    x = 1,846,779,844.61/63,711.84
  6. Step 6: Final answer
    x = 28,986.45

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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.