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Finding the Fourth Proportional to 50,079.76, 69,110.13 and 28,858.48

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Solution

The fourth proportional to 50,079.76, 69,110.13 and 28,858.48 is: 39,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,079.76 : 69,110.13 = 28,858.48 : x
  2. Step 2: Convert to fraction form
    50,079.76/69,110.13 = 28,858.48/x
  3. Step 3: Cross multiply
    50,079.76x = 69,110.13 × 28,858.48
  4. Step 4: Simplify right side
    50,079.76x = 1,994,413,304.40
  5. Step 5: Solve for x
    x = 1,994,413,304.40/50,079.76
  6. Step 6: Final answer
    x = 39,824.74

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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.