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Finding the Fourth Proportional to 48,354.39, 66,728.88 and 27,133.61

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Solution

The fourth proportional to 48,354.39, 66,728.88 and 27,133.61 is: 37,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,354.39 : 66,728.88 = 27,133.61 : x
  2. Step 2: Convert to fraction form
    48,354.39/66,728.88 = 27,133.61/x
  3. Step 3: Cross multiply
    48,354.39x = 66,728.88 × 27,133.61
  4. Step 4: Simplify right side
    48,354.39x = 1,810,595,072.01
  5. Step 5: Solve for x
    x = 1,810,595,072.01/48,354.39
  6. Step 6: Final answer
    x = 37,444.27

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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.