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Finding the Fourth Proportional to 77,364.33, 106,757.22 and 45,528.90

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Solution

The fourth proportional to 77,364.33, 106,757.22 and 45,528.90 is: 62,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,364.33 : 106,757.22 = 45,528.90 : x
  2. Step 2: Convert to fraction form
    77,364.33/106,757.22 = 45,528.90/x
  3. Step 3: Cross multiply
    77,364.33x = 106,757.22 × 45,528.90
  4. Step 4: Simplify right side
    77,364.33x = 4,860,538,793.66
  5. Step 5: Solve for x
    x = 4,860,538,793.66/77,364.33
  6. Step 6: Final answer
    x = 62,826.61

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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.