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Finding the Fourth Proportional to 52,771.56, 72,826.92 and 28,900.32

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Solution

The fourth proportional to 52,771.56, 72,826.92 and 28,900.32 is: 39,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.56 : 72,826.92 = 28,900.32 : x
  2. Step 2: Convert to fraction form
    52,771.56/72,826.92 = 28,900.32/x
  3. Step 3: Cross multiply
    52,771.56x = 72,826.92 × 28,900.32
  4. Step 4: Simplify right side
    52,771.56x = 2,104,721,292.61
  5. Step 5: Solve for x
    x = 2,104,721,292.61/52,771.56
  6. Step 6: Final answer
    x = 39,883.63

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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.