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Finding the Fourth Proportional to 32,692.81, 45,115.43 and 18,352.98

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Solution

The fourth proportional to 32,692.81, 45,115.43 and 18,352.98 is: 25,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,692.81 : 45,115.43 = 18,352.98 : x
  2. Step 2: Convert to fraction form
    32,692.81/45,115.43 = 18,352.98/x
  3. Step 3: Cross multiply
    32,692.81x = 45,115.43 × 18,352.98
  4. Step 4: Simplify right side
    32,692.81x = 828,002,584.48
  5. Step 5: Solve for x
    x = 828,002,584.48/32,692.81
  6. Step 6: Final answer
    x = 25,326.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.