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Finding the Fourth Proportional to 54,580.71, 81,908.66 and 19,042.23

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Solution

The fourth proportional to 54,580.71, 81,908.66 and 19,042.23 is: 28,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580.71 : 81,908.66 = 19,042.23 : x
  2. Step 2: Convert to fraction form
    54,580.71/81,908.66 = 19,042.23/x
  3. Step 3: Cross multiply
    54,580.71x = 81,908.66 × 19,042.23
  4. Step 4: Simplify right side
    54,580.71x = 1,559,723,542.71
  5. Step 5: Solve for x
    x = 1,559,723,542.71/54,580.71
  6. Step 6: Final answer
    x = 28,576.46

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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.