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Finding the Fourth Proportional to 63,075.82, 94,632 and 18,703.42

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Solution

The fourth proportional to 63,075.82, 94,632 and 18,703.42 is: 28,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,075.82 : 94,632 = 18,703.42 : x
  2. Step 2: Convert to fraction form
    63,075.82/94,632 = 18,703.42/x
  3. Step 3: Cross multiply
    63,075.82x = 94,632 × 18,703.42
  4. Step 4: Simplify right side
    63,075.82x = 1,769,942,041.44
  5. Step 5: Solve for x
    x = 1,769,942,041.44/63,075.82
  6. Step 6: Final answer
    x = 28,060.55

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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.