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Finding the Fourth Proportional to 32,874.33, 45,369.75 and 19,449.90

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Solution

The fourth proportional to 32,874.33, 45,369.75 and 19,449.90 is: 26,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,874.33 : 45,369.75 = 19,449.90 : x
  2. Step 2: Convert to fraction form
    32,874.33/45,369.75 = 19,449.90/x
  3. Step 3: Cross multiply
    32,874.33x = 45,369.75 × 19,449.90
  4. Step 4: Simplify right side
    32,874.33x = 882,437,100.53
  5. Step 5: Solve for x
    x = 882,437,100.53/32,874.33
  6. Step 6: Final answer
    x = 26,842.74

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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.