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Finding the Fourth Proportional to 54,661.76, 81,807.45 and 33,615.14

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Solution

The fourth proportional to 54,661.76, 81,807.45 and 33,615.14 is: 50,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.76 : 81,807.45 = 33,615.14 : x
  2. Step 2: Convert to fraction form
    54,661.76/81,807.45 = 33,615.14/x
  3. Step 3: Cross multiply
    54,661.76x = 81,807.45 × 33,615.14
  4. Step 4: Simplify right side
    54,661.76x = 2,749,968,884.79
  5. Step 5: Solve for x
    x = 2,749,968,884.79/54,661.76
  6. Step 6: Final answer
    x = 50,308.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.