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Finding the Fourth Proportional to 54,536.55, 81,800.51 and 19,472.55

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Solution

The fourth proportional to 54,536.55, 81,800.51 and 19,472.55 is: 29,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,536.55 : 81,800.51 = 19,472.55 : x
  2. Step 2: Convert to fraction form
    54,536.55/81,800.51 = 19,472.55/x
  3. Step 3: Cross multiply
    54,536.55x = 81,800.51 × 19,472.55
  4. Step 4: Simplify right side
    54,536.55x = 1,592,864,423.64
  5. Step 5: Solve for x
    x = 1,592,864,423.64/54,536.55
  6. Step 6: Final answer
    x = 29,207.28

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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.