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Finding the Fourth Proportional to 63,114.84, 94,639.08 and 18,735.48

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Solution

The fourth proportional to 63,114.84, 94,639.08 and 18,735.48 is: 28,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,114.84 : 94,639.08 = 18,735.48 : x
  2. Step 2: Convert to fraction form
    63,114.84/94,639.08 = 18,735.48/x
  3. Step 3: Cross multiply
    63,114.84x = 94,639.08 × 18,735.48
  4. Step 4: Simplify right side
    63,114.84x = 1,773,108,590.56
  5. Step 5: Solve for x
    x = 1,773,108,590.56/63,114.84
  6. Step 6: Final answer
    x = 28,093.37

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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.