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Finding the Fourth Proportional to 50,389.60, 75,584.40 and 17,118.40

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Solution

The fourth proportional to 50,389.60, 75,584.40 and 17,118.40 is: 25,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,389.60 : 75,584.40 = 17,118.40 : x
  2. Step 2: Convert to fraction form
    50,389.60/75,584.40 = 17,118.40/x
  3. Step 3: Cross multiply
    50,389.60x = 75,584.40 × 17,118.40
  4. Step 4: Simplify right side
    50,389.60x = 1,293,883,992.96
  5. Step 5: Solve for x
    x = 1,293,883,992.96/50,389.60
  6. Step 6: Final answer
    x = 25,677.60

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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.