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Finding the Fourth Proportional to 50,326.60, 75,489.63 and 12,886.60

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Solution

The fourth proportional to 50,326.60, 75,489.63 and 12,886.60 is: 19,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,326.60 : 75,489.63 = 12,886.60 : x
  2. Step 2: Convert to fraction form
    50,326.60/75,489.63 = 12,886.60/x
  3. Step 3: Cross multiply
    50,326.60x = 75,489.63 × 12,886.60
  4. Step 4: Simplify right side
    50,326.60x = 972,804,665.96
  5. Step 5: Solve for x
    x = 972,804,665.96/50,326.60
  6. Step 6: Final answer
    x = 19,329.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.