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Finding the Fourth Proportional to 51,783.82, 71,473.47 and 36,660.76

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Solution

The fourth proportional to 51,783.82, 71,473.47 and 36,660.76 is: 50,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,783.82 : 71,473.47 = 36,660.76 : x
  2. Step 2: Convert to fraction form
    51,783.82/71,473.47 = 36,660.76/x
  3. Step 3: Cross multiply
    51,783.82x = 71,473.47 × 36,660.76
  4. Step 4: Simplify right side
    51,783.82x = 2,620,271,730.04
  5. Step 5: Solve for x
    x = 2,620,271,730.04/51,783.82
  6. Step 6: Final answer
    x = 50,600.20

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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.