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Finding the Fourth Proportional to 58,446.45, 80,636.76 and 32,949.63

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Solution

The fourth proportional to 58,446.45, 80,636.76 and 32,949.63 is: 45,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,446.45 : 80,636.76 = 32,949.63 : x
  2. Step 2: Convert to fraction form
    58,446.45/80,636.76 = 32,949.63/x
  3. Step 3: Cross multiply
    58,446.45x = 80,636.76 × 32,949.63
  4. Step 4: Simplify right side
    58,446.45x = 2,656,951,406.40
  5. Step 5: Solve for x
    x = 2,656,951,406.40/58,446.45
  6. Step 6: Final answer
    x = 45,459.59

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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.