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Finding the Fourth Proportional to 92,912.58, 128,227.92 and 52,628.04

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Solution

The fourth proportional to 92,912.58, 128,227.92 and 52,628.04 is: 72,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,912.58 : 128,227.92 = 52,628.04 : x
  2. Step 2: Convert to fraction form
    92,912.58/128,227.92 = 52,628.04/x
  3. Step 3: Cross multiply
    92,912.58x = 128,227.92 × 52,628.04
  4. Step 4: Simplify right side
    92,912.58x = 6,748,384,102.88
  5. Step 5: Solve for x
    x = 6,748,384,102.88/92,912.58
  6. Step 6: Final answer
    x = 72,631.54

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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.