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Finding the Fourth Proportional to 45,222, 62,406.36 and 27,558

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Solution

The fourth proportional to 45,222, 62,406.36 and 27,558 is: 38,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,222 : 62,406.36 = 27,558 : x
  2. Step 2: Convert to fraction form
    45,222/62,406.36 = 27,558/x
  3. Step 3: Cross multiply
    45,222x = 62,406.36 × 27,558
  4. Step 4: Simplify right side
    45,222x = 1,719,794,468.88
  5. Step 5: Solve for x
    x = 1,719,794,468.88/45,222
  6. Step 6: Final answer
    x = 38,030.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.