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Finding the Fourth Proportional to 63,578.56, 95,368.56 and 19,205.68

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Solution

The fourth proportional to 63,578.56, 95,368.56 and 19,205.68 is: 28,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,578.56 : 95,368.56 = 19,205.68 : x
  2. Step 2: Convert to fraction form
    63,578.56/95,368.56 = 19,205.68/x
  3. Step 3: Cross multiply
    63,578.56x = 95,368.56 × 19,205.68
  4. Step 4: Simplify right side
    63,578.56x = 1,831,618,045.42
  5. Step 5: Solve for x
    x = 1,831,618,045.42/63,578.56
  6. Step 6: Final answer
    x = 28,808.74

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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.