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Finding the Fourth Proportional to 50,486.98, 69,671.81 and 27,516.76

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Solution

The fourth proportional to 50,486.98, 69,671.81 and 27,516.76 is: 37,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.98 : 69,671.81 = 27,516.76 : x
  2. Step 2: Convert to fraction form
    50,486.98/69,671.81 = 27,516.76/x
  3. Step 3: Cross multiply
    50,486.98x = 69,671.81 × 27,516.76
  4. Step 4: Simplify right side
    50,486.98x = 1,917,142,511.13
  5. Step 5: Solve for x
    x = 1,917,142,511.13/50,486.98
  6. Step 6: Final answer
    x = 37,973.01

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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.