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Finding the Fourth Proportional to 53,182.82, 73,392.59 and 30,520.01

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Solution

The fourth proportional to 53,182.82, 73,392.59 and 30,520.01 is: 42,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,182.82 : 73,392.59 = 30,520.01 : x
  2. Step 2: Convert to fraction form
    53,182.82/73,392.59 = 30,520.01/x
  3. Step 3: Cross multiply
    53,182.82x = 73,392.59 × 30,520.01
  4. Step 4: Simplify right side
    53,182.82x = 2,239,942,428.13
  5. Step 5: Solve for x
    x = 2,239,942,428.13/53,182.82
  6. Step 6: Final answer
    x = 42,117.78

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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.