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Finding the Fourth Proportional to 33,358.60, 46,034.62 and 21,426.49

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Solution

The fourth proportional to 33,358.60, 46,034.62 and 21,426.49 is: 29,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,358.60 : 46,034.62 = 21,426.49 : x
  2. Step 2: Convert to fraction form
    33,358.60/46,034.62 = 21,426.49/x
  3. Step 3: Cross multiply
    33,358.60x = 46,034.62 × 21,426.49
  4. Step 4: Simplify right side
    33,358.60x = 986,360,325.08
  5. Step 5: Solve for x
    x = 986,360,325.08/33,358.60
  6. Step 6: Final answer
    x = 29,568.40

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