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Finding the Fourth Proportional to 64,849.66, 89,493.90 and 36,555.34

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Solution

The fourth proportional to 64,849.66, 89,493.90 and 36,555.34 is: 50,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,849.66 : 89,493.90 = 36,555.34 : x
  2. Step 2: Convert to fraction form
    64,849.66/89,493.90 = 36,555.34/x
  3. Step 3: Cross multiply
    64,849.66x = 89,493.90 × 36,555.34
  4. Step 4: Simplify right side
    64,849.66x = 3,271,479,942.43
  5. Step 5: Solve for x
    x = 3,271,479,942.43/64,849.66
  6. Step 6: Final answer
    x = 50,447.14

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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.