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Finding the Fourth Proportional to 63,085.74, 94,614.03 and 18,701.79

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Solution

The fourth proportional to 63,085.74, 94,614.03 and 18,701.79 is: 28,048.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,085.74 : 94,614.03 = 18,701.79 : x
  2. Step 2: Convert to fraction form
    63,085.74/94,614.03 = 18,701.79/x
  3. Step 3: Cross multiply
    63,085.74x = 94,614.03 × 18,701.79
  4. Step 4: Simplify right side
    63,085.74x = 1,769,451,720.11
  5. Step 5: Solve for x
    x = 1,769,451,720.11/63,085.74
  6. Step 6: Final answer
    x = 28,048.36

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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.