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Finding the Fourth Proportional to 49,842.64, 68,782.83 and 27,486.64

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Solution

The fourth proportional to 49,842.64, 68,782.83 and 27,486.64 is: 37,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,842.64 : 68,782.83 = 27,486.64 : x
  2. Step 2: Convert to fraction form
    49,842.64/68,782.83 = 27,486.64/x
  3. Step 3: Cross multiply
    49,842.64x = 68,782.83 × 27,486.64
  4. Step 4: Simplify right side
    49,842.64x = 1,890,608,886.39
  5. Step 5: Solve for x
    x = 1,890,608,886.39/49,842.64
  6. Step 6: Final answer
    x = 37,931.56

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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.