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Finding the Fourth Proportional to 50,479.93, 69,661.97 and 27,819.10

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Solution

The fourth proportional to 50,479.93, 69,661.97 and 27,819.10 is: 38,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,479.93 : 69,661.97 = 27,819.10 : x
  2. Step 2: Convert to fraction form
    50,479.93/69,661.97 = 27,819.10/x
  3. Step 3: Cross multiply
    50,479.93x = 69,661.97 × 27,819.10
  4. Step 4: Simplify right side
    50,479.93x = 1,937,933,030.86
  5. Step 5: Solve for x
    x = 1,937,933,030.86/50,479.93
  6. Step 6: Final answer
    x = 38,390.17

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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.