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Finding the Fourth Proportional to 64,881.43, 89,536.22 and 36,586.92

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Solution

The fourth proportional to 64,881.43, 89,536.22 and 36,586.92 is: 50,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.43 : 89,536.22 = 36,586.92 : x
  2. Step 2: Convert to fraction form
    64,881.43/89,536.22 = 36,586.92/x
  3. Step 3: Cross multiply
    64,881.43x = 89,536.22 × 36,586.92
  4. Step 4: Simplify right side
    64,881.43x = 3,275,854,518.24
  5. Step 5: Solve for x
    x = 3,275,854,518.24/64,881.43
  6. Step 6: Final answer
    x = 50,489.86

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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.