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Finding the Fourth Proportional to 63,754.56, 87,984.54 and 36,898.20

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Solution

The fourth proportional to 63,754.56, 87,984.54 and 36,898.20 is: 50,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,754.56 : 87,984.54 = 36,898.20 : x
  2. Step 2: Convert to fraction form
    63,754.56/87,984.54 = 36,898.20/x
  3. Step 3: Cross multiply
    63,754.56x = 87,984.54 × 36,898.20
  4. Step 4: Simplify right side
    63,754.56x = 3,246,471,153.83
  5. Step 5: Solve for x
    x = 3,246,471,153.83/63,754.56
  6. Step 6: Final answer
    x = 50,921.40

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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.