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Finding the Fourth Proportional to 45,186, 62,358.80 and 27,280.60

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Solution

The fourth proportional to 45,186, 62,358.80 and 27,280.60 is: 37,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,186 : 62,358.80 = 27,280.60 : x
  2. Step 2: Convert to fraction form
    45,186/62,358.80 = 27,280.60/x
  3. Step 3: Cross multiply
    45,186x = 62,358.80 × 27,280.60
  4. Step 4: Simplify right side
    45,186x = 1,701,185,479.28
  5. Step 5: Solve for x
    x = 1,701,185,479.28/45,186
  6. Step 6: Final answer
    x = 37,648.51

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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.