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Finding the Fourth Proportional to 54,855.36, 82,283.04 and 13,302

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Solution

The fourth proportional to 54,855.36, 82,283.04 and 13,302 is: 19,953

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,855.36 : 82,283.04 = 13,302 : x
  2. Step 2: Convert to fraction form
    54,855.36/82,283.04 = 13,302/x
  3. Step 3: Cross multiply
    54,855.36x = 82,283.04 × 13,302
  4. Step 4: Simplify right side
    54,855.36x = 1,094,528,998.08
  5. Step 5: Solve for x
    x = 1,094,528,998.08/54,855.36
  6. Step 6: Final answer
    x = 19,953

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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.