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Finding the Fourth Proportional to 48,636.48, 67,112.64 and 27,414.48

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Solution

The fourth proportional to 48,636.48, 67,112.64 and 27,414.48 is: 37,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,636.48 : 67,112.64 = 27,414.48 : x
  2. Step 2: Convert to fraction form
    48,636.48/67,112.64 = 27,414.48/x
  3. Step 3: Cross multiply
    48,636.48x = 67,112.64 × 27,414.48
  4. Step 4: Simplify right side
    48,636.48x = 1,839,858,127.03
  5. Step 5: Solve for x
    x = 1,839,858,127.03/48,636.48
  6. Step 6: Final answer
    x = 37,828.77

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1.5x scale

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.