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Finding the Fourth Proportional to 54,635.04, 75,402 and 33,428.40

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Solution

The fourth proportional to 54,635.04, 75,402 and 33,428.40 is: 46,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.04 : 75,402 = 33,428.40 : x
  2. Step 2: Convert to fraction form
    54,635.04/75,402 = 33,428.40/x
  3. Step 3: Cross multiply
    54,635.04x = 75,402 × 33,428.40
  4. Step 4: Simplify right side
    54,635.04x = 2,520,568,216.80
  5. Step 5: Solve for x
    x = 2,520,568,216.80/54,635.04
  6. Step 6: Final answer
    x = 46,134.65

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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.