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Finding the Fourth Proportional to 32,805.67, 45,270.84 and 18,466.30

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Solution

The fourth proportional to 32,805.67, 45,270.84 and 18,466.30 is: 25,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,805.67 : 45,270.84 = 18,466.30 : x
  2. Step 2: Convert to fraction form
    32,805.67/45,270.84 = 18,466.30/x
  3. Step 3: Cross multiply
    32,805.67x = 45,270.84 × 18,466.30
  4. Step 4: Simplify right side
    32,805.67x = 835,984,912.69
  5. Step 5: Solve for x
    x = 835,984,912.69/32,805.67
  6. Step 6: Final answer
    x = 25,482.94

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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.