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Finding the Fourth Proportional to 48,489.89, 66,908.22 and 27,267.89

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Solution

The fourth proportional to 48,489.89, 66,908.22 and 27,267.89 is: 37,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,489.89 : 66,908.22 = 27,267.89 : x
  2. Step 2: Convert to fraction form
    48,489.89/66,908.22 = 27,267.89/x
  3. Step 3: Cross multiply
    48,489.89x = 66,908.22 × 27,267.89
  4. Step 4: Simplify right side
    48,489.89x = 1,824,445,648.51
  5. Step 5: Solve for x
    x = 1,824,445,648.51/48,489.89
  6. Step 6: Final answer
    x = 37,625.28

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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.