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Finding the Fourth Proportional to 54,904.80, 82,358.80 and 19,838.24

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Solution

The fourth proportional to 54,904.80, 82,358.80 and 19,838.24 is: 29,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,904.80 : 82,358.80 = 19,838.24 : x
  2. Step 2: Convert to fraction form
    54,904.80/82,358.80 = 19,838.24/x
  3. Step 3: Cross multiply
    54,904.80x = 82,358.80 × 19,838.24
  4. Step 4: Simplify right side
    54,904.80x = 1,633,853,640.51
  5. Step 5: Solve for x
    x = 1,633,853,640.51/54,904.80
  6. Step 6: Final answer
    x = 29,757.94

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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.