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Finding the Fourth Proportional to 64,217.28, 88,628.24 and 35,928.80

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Solution

The fourth proportional to 64,217.28, 88,628.24 and 35,928.80 is: 49,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,217.28 : 88,628.24 = 35,928.80 : x
  2. Step 2: Convert to fraction form
    64,217.28/88,628.24 = 35,928.80/x
  3. Step 3: Cross multiply
    64,217.28x = 88,628.24 × 35,928.80
  4. Step 4: Simplify right side
    64,217.28x = 3,184,306,309.31
  5. Step 5: Solve for x
    x = 3,184,306,309.31/64,217.28
  6. Step 6: Final answer
    x = 49,586.44

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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.