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Finding the Fourth Proportional to 48,129.78, 66,392.44 and 27,984.44

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Solution

The fourth proportional to 48,129.78, 66,392.44 and 27,984.44 is: 38,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.78 : 66,392.44 = 27,984.44 : x
  2. Step 2: Convert to fraction form
    48,129.78/66,392.44 = 27,984.44/x
  3. Step 3: Cross multiply
    48,129.78x = 66,392.44 × 27,984.44
  4. Step 4: Simplify right side
    48,129.78x = 1,857,955,253.63
  5. Step 5: Solve for x
    x = 1,857,955,253.63/48,129.78
  6. Step 6: Final answer
    x = 38,603.03

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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.