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Finding the Fourth Proportional to 55,054, 82,585.13 and 15,614.29

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Solution

The fourth proportional to 55,054, 82,585.13 and 15,614.29 is: 23,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,054 : 82,585.13 = 15,614.29 : x
  2. Step 2: Convert to fraction form
    55,054/82,585.13 = 15,614.29/x
  3. Step 3: Cross multiply
    55,054x = 82,585.13 × 15,614.29
  4. Step 4: Simplify right side
    55,054x = 1,289,508,169.51
  5. Step 5: Solve for x
    x = 1,289,508,169.51/55,054
  6. Step 6: Final answer
    x = 23,422.61

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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.