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Finding the Fourth Proportional to 63,386.70, 95,067.90 and 19,014.90

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Solution

The fourth proportional to 63,386.70, 95,067.90 and 19,014.90 is: 28,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,386.70 : 95,067.90 = 19,014.90 : x
  2. Step 2: Convert to fraction form
    63,386.70/95,067.90 = 19,014.90/x
  3. Step 3: Cross multiply
    63,386.70x = 95,067.90 × 19,014.90
  4. Step 4: Simplify right side
    63,386.70x = 1,807,706,611.71
  5. Step 5: Solve for x
    x = 1,807,706,611.71/63,386.70
  6. Step 6: Final answer
    x = 28,518.71

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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.