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Finding the Fourth Proportional to 63,742.84, 95,614.16 and 19,369.40

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Solution

The fourth proportional to 63,742.84, 95,614.16 and 19,369.40 is: 29,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,742.84 : 95,614.16 = 19,369.40 : x
  2. Step 2: Convert to fraction form
    63,742.84/95,614.16 = 19,369.40/x
  3. Step 3: Cross multiply
    63,742.84x = 95,614.16 × 19,369.40
  4. Step 4: Simplify right side
    63,742.84x = 1,851,988,910.70
  5. Step 5: Solve for x
    x = 1,851,988,910.70/63,742.84
  6. Step 6: Final answer
    x = 29,054.07

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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.