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Finding the Fourth Proportional to 54,668.32, 82,004.64 and 15,228.88

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Solution

The fourth proportional to 54,668.32, 82,004.64 and 15,228.88 is: 22,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,668.32 : 82,004.64 = 15,228.88 : x
  2. Step 2: Convert to fraction form
    54,668.32/82,004.64 = 15,228.88/x
  3. Step 3: Cross multiply
    54,668.32x = 82,004.64 × 15,228.88
  4. Step 4: Simplify right side
    54,668.32x = 1,248,838,822.00
  5. Step 5: Solve for x
    x = 1,248,838,822.00/54,668.32
  6. Step 6: Final answer
    x = 22,843.92

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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.