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Finding the Fourth Proportional to 50,658.74, 69,904.22 and 27,994.07

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Solution

The fourth proportional to 50,658.74, 69,904.22 and 27,994.07 is: 38,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,658.74 : 69,904.22 = 27,994.07 : x
  2. Step 2: Convert to fraction form
    50,658.74/69,904.22 = 27,994.07/x
  3. Step 3: Cross multiply
    50,658.74x = 69,904.22 × 27,994.07
  4. Step 4: Simplify right side
    50,658.74x = 1,956,903,488.01
  5. Step 5: Solve for x
    x = 1,956,903,488.01/50,658.74
  6. Step 6: Final answer
    x = 38,629.14

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Double scale
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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.