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Finding the Fourth Proportional to 54,798.52, 82,197.80 and 17,358.72

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Solution

The fourth proportional to 54,798.52, 82,197.80 and 17,358.72 is: 26,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,798.52 : 82,197.80 = 17,358.72 : x
  2. Step 2: Convert to fraction form
    54,798.52/82,197.80 = 17,358.72/x
  3. Step 3: Cross multiply
    54,798.52x = 82,197.80 × 17,358.72
  4. Step 4: Simplify right side
    54,798.52x = 1,426,848,594.82
  5. Step 5: Solve for x
    x = 1,426,848,594.82/54,798.52
  6. Step 6: Final answer
    x = 26,038.09

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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.