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Finding the Fourth Proportional to 63,411.72, 95,133.36 and 19,039.26

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Solution

The fourth proportional to 63,411.72, 95,133.36 and 19,039.26 is: 28,563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,411.72 : 95,133.36 = 19,039.26 : x
  2. Step 2: Convert to fraction form
    63,411.72/95,133.36 = 19,039.26/x
  3. Step 3: Cross multiply
    63,411.72x = 95,133.36 × 19,039.26
  4. Step 4: Simplify right side
    63,411.72x = 1,811,268,775.71
  5. Step 5: Solve for x
    x = 1,811,268,775.71/63,411.72
  6. Step 6: Final answer
    x = 28,563.63

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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.