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Finding the Fourth Proportional to 33,776.64, 50,660.56 and 10,402.56

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Solution

The fourth proportional to 33,776.64, 50,660.56 and 10,402.56 is: 15,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,776.64 : 50,660.56 = 10,402.56 : x
  2. Step 2: Convert to fraction form
    33,776.64/50,660.56 = 10,402.56/x
  3. Step 3: Cross multiply
    33,776.64x = 50,660.56 × 10,402.56
  4. Step 4: Simplify right side
    33,776.64x = 526,999,515.03
  5. Step 5: Solve for x
    x = 526,999,515.03/33,776.64
  6. Step 6: Final answer
    x = 15,602.48

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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.