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Finding the Fourth Proportional to 60,448.40, 90,672.60 and 50,825.60

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Solution

The fourth proportional to 60,448.40, 90,672.60 and 50,825.60 is: 76,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,448.40 : 90,672.60 = 50,825.60 : x
  2. Step 2: Convert to fraction form
    60,448.40/90,672.60 = 50,825.60/x
  3. Step 3: Cross multiply
    60,448.40x = 90,672.60 × 50,825.60
  4. Step 4: Simplify right side
    60,448.40x = 4,608,489,298.56
  5. Step 5: Solve for x
    x = 4,608,489,298.56/60,448.40
  6. Step 6: Final answer
    x = 76,238.40

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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.