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Finding the Fourth Proportional to 50,416.88, 75,619.56 and 13,483.76

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Solution

The fourth proportional to 50,416.88, 75,619.56 and 13,483.76 is: 20,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,416.88 : 75,619.56 = 13,483.76 : x
  2. Step 2: Convert to fraction form
    50,416.88/75,619.56 = 13,483.76/x
  3. Step 3: Cross multiply
    50,416.88x = 75,619.56 × 13,483.76
  4. Step 4: Simplify right side
    50,416.88x = 1,019,635,998.35
  5. Step 5: Solve for x
    x = 1,019,635,998.35/50,416.88
  6. Step 6: Final answer
    x = 20,224.10

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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.