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Finding the Fourth Proportional to 63,119.62, 94,692.93 and 18,749.44

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Solution

The fourth proportional to 63,119.62, 94,692.93 and 18,749.44 is: 28,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,119.62 : 94,692.93 = 18,749.44 : x
  2. Step 2: Convert to fraction form
    63,119.62/94,692.93 = 18,749.44/x
  3. Step 3: Cross multiply
    63,119.62x = 94,692.93 × 18,749.44
  4. Step 4: Simplify right side
    63,119.62x = 1,775,439,409.46
  5. Step 5: Solve for x
    x = 1,775,439,409.46/63,119.62
  6. Step 6: Final answer
    x = 28,128.17

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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.