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Finding the Fourth Proportional to 50,479.55, 69,660.84 and 27,820.64

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Solution

The fourth proportional to 50,479.55, 69,660.84 and 27,820.64 is: 38,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,479.55 : 69,660.84 = 27,820.64 : x
  2. Step 2: Convert to fraction form
    50,479.55/69,660.84 = 27,820.64/x
  3. Step 3: Cross multiply
    50,479.55x = 69,660.84 × 27,820.64
  4. Step 4: Simplify right side
    50,479.55x = 1,938,009,151.74
  5. Step 5: Solve for x
    x = 1,938,009,151.74/50,479.55
  6. Step 6: Final answer
    x = 38,391.97

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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.