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Finding the Fourth Proportional to 32,840.04, 45,321.54 and 18,692.88

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Solution

The fourth proportional to 32,840.04, 45,321.54 and 18,692.88 is: 25,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,840.04 : 45,321.54 = 18,692.88 : x
  2. Step 2: Convert to fraction form
    32,840.04/45,321.54 = 18,692.88/x
  3. Step 3: Cross multiply
    32,840.04x = 45,321.54 × 18,692.88
  4. Step 4: Simplify right side
    32,840.04x = 847,190,108.64
  5. Step 5: Solve for x
    x = 847,190,108.64/32,840.04
  6. Step 6: Final answer
    x = 25,797.47

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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.