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Finding the Fourth Proportional to 50,548.91, 69,758.13 and 27,888.81

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Solution

The fourth proportional to 50,548.91, 69,758.13 and 27,888.81 is: 38,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,548.91 : 69,758.13 = 27,888.81 : x
  2. Step 2: Convert to fraction form
    50,548.91/69,758.13 = 27,888.81/x
  3. Step 3: Cross multiply
    50,548.91x = 69,758.13 × 27,888.81
  4. Step 4: Simplify right side
    50,548.91x = 1,945,471,233.53
  5. Step 5: Solve for x
    x = 1,945,471,233.53/50,548.91
  6. Step 6: Final answer
    x = 38,486.91

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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.