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Finding the Fourth Proportional to 64,629.70, 89,194.17 and 36,333.70

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Solution

The fourth proportional to 64,629.70, 89,194.17 and 36,333.70 is: 50,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,629.70 : 89,194.17 = 36,333.70 : x
  2. Step 2: Convert to fraction form
    64,629.70/89,194.17 = 36,333.70/x
  3. Step 3: Cross multiply
    64,629.70x = 89,194.17 × 36,333.70
  4. Step 4: Simplify right side
    64,629.70x = 3,240,754,214.53
  5. Step 5: Solve for x
    x = 3,240,754,214.53/64,629.70
  6. Step 6: Final answer
    x = 50,143.42

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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.