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Finding the Fourth Proportional to 55,371.30, 83,054.04 and 15,926.87

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Solution

The fourth proportional to 55,371.30, 83,054.04 and 15,926.87 is: 23,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371.30 : 83,054.04 = 15,926.87 : x
  2. Step 2: Convert to fraction form
    55,371.30/83,054.04 = 15,926.87/x
  3. Step 3: Cross multiply
    55,371.30x = 83,054.04 × 15,926.87
  4. Step 4: Simplify right side
    55,371.30x = 1,322,790,482.78
  5. Step 5: Solve for x
    x = 1,322,790,482.78/55,371.30
  6. Step 6: Final answer
    x = 23,889.46

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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.