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Finding the Fourth Proportional to 64,622.92, 96,934.53 and 20,253.55

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Solution

The fourth proportional to 64,622.92, 96,934.53 and 20,253.55 is: 30,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,622.92 : 96,934.53 = 20,253.55 : x
  2. Step 2: Convert to fraction form
    64,622.92/96,934.53 = 20,253.55/x
  3. Step 3: Cross multiply
    64,622.92x = 96,934.53 × 20,253.55
  4. Step 4: Simplify right side
    64,622.92x = 1,963,268,350.08
  5. Step 5: Solve for x
    x = 1,963,268,350.08/64,622.92
  6. Step 6: Final answer
    x = 30,380.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.