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Finding the Fourth Proportional to 50,436.60, 75,659.04 and 20,848.92

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Solution

The fourth proportional to 50,436.60, 75,659.04 and 20,848.92 is: 31,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,436.60 : 75,659.04 = 20,848.92 : x
  2. Step 2: Convert to fraction form
    50,436.60/75,659.04 = 20,848.92/x
  3. Step 3: Cross multiply
    50,436.60x = 75,659.04 × 20,848.92
  4. Step 4: Simplify right side
    50,436.60x = 1,577,409,272.24
  5. Step 5: Solve for x
    x = 1,577,409,272.24/50,436.60
  6. Step 6: Final answer
    x = 31,275.09

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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.