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Finding the Fourth Proportional to 50,572.32, 75,859.60 and 13,133.88

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Solution

The fourth proportional to 50,572.32, 75,859.60 and 13,133.88 is: 19,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,572.32 : 75,859.60 = 13,133.88 : x
  2. Step 2: Convert to fraction form
    50,572.32/75,859.60 = 13,133.88/x
  3. Step 3: Cross multiply
    50,572.32x = 75,859.60 × 13,133.88
  4. Step 4: Simplify right side
    50,572.32x = 996,330,883.25
  5. Step 5: Solve for x
    x = 996,330,883.25/50,572.32
  6. Step 6: Final answer
    x = 19,701.11

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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.