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Finding the Fourth Proportional to 51,783.32, 71,472.78 and 36,660.26

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Solution

The fourth proportional to 51,783.32, 71,472.78 and 36,660.26 is: 50,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,783.32 : 71,472.78 = 36,660.26 : x
  2. Step 2: Convert to fraction form
    51,783.32/71,472.78 = 36,660.26/x
  3. Step 3: Cross multiply
    51,783.32x = 71,472.78 × 36,660.26
  4. Step 4: Simplify right side
    51,783.32x = 2,620,210,697.72
  5. Step 5: Solve for x
    x = 2,620,210,697.72/51,783.32
  6. Step 6: Final answer
    x = 50,599.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.