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Finding the Fourth Proportional to 49,457.63, 68,251.54 and 26,796.78

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Solution

The fourth proportional to 49,457.63, 68,251.54 and 26,796.78 is: 36,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,457.63 : 68,251.54 = 26,796.78 : x
  2. Step 2: Convert to fraction form
    49,457.63/68,251.54 = 26,796.78/x
  3. Step 3: Cross multiply
    49,457.63x = 68,251.54 × 26,796.78
  4. Step 4: Simplify right side
    49,457.63x = 1,828,921,502.04
  5. Step 5: Solve for x
    x = 1,828,921,502.04/49,457.63
  6. Step 6: Final answer
    x = 36,979.56

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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.