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Finding the Fourth Proportional to 32,842.67, 45,323.17 and 18,696.42

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Solution

The fourth proportional to 32,842.67, 45,323.17 and 18,696.42 is: 25,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,842.67 : 45,323.17 = 18,696.42 : x
  2. Step 2: Convert to fraction form
    32,842.67/45,323.17 = 18,696.42/x
  3. Step 3: Cross multiply
    32,842.67x = 45,323.17 × 18,696.42
  4. Step 4: Simplify right side
    32,842.67x = 847,381,022.05
  5. Step 5: Solve for x
    x = 847,381,022.05/32,842.67
  6. Step 6: Final answer
    x = 25,801.22

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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.