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Finding the Fourth Proportional to 50,677.58, 69,935.14 and 28,321.58

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Solution

The fourth proportional to 50,677.58, 69,935.14 and 28,321.58 is: 39,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,677.58 : 69,935.14 = 28,321.58 : x
  2. Step 2: Convert to fraction form
    50,677.58/69,935.14 = 28,321.58/x
  3. Step 3: Cross multiply
    50,677.58x = 69,935.14 × 28,321.58
  4. Step 4: Simplify right side
    50,677.58x = 1,980,673,662.32
  5. Step 5: Solve for x
    x = 1,980,673,662.32/50,677.58
  6. Step 6: Final answer
    x = 39,083.82

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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.