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Finding the Fourth Proportional to 49,910.64, 68,877 and 27,554.64

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Solution

The fourth proportional to 49,910.64, 68,877 and 27,554.64 is: 38,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,910.64 : 68,877 = 27,554.64 : x
  2. Step 2: Convert to fraction form
    49,910.64/68,877 = 27,554.64/x
  3. Step 3: Cross multiply
    49,910.64x = 68,877 × 27,554.64
  4. Step 4: Simplify right side
    49,910.64x = 1,897,880,939.28
  5. Step 5: Solve for x
    x = 1,897,880,939.28/49,910.64
  6. Step 6: Final answer
    x = 38,025.58

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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.