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Finding the Fourth Proportional to 50,630.76, 75,903.08 and 30,923.16

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Solution

The fourth proportional to 50,630.76, 75,903.08 and 30,923.16 is: 46,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,630.76 : 75,903.08 = 30,923.16 : x
  2. Step 2: Convert to fraction form
    50,630.76/75,903.08 = 30,923.16/x
  3. Step 3: Cross multiply
    50,630.76x = 75,903.08 × 30,923.16
  4. Step 4: Simplify right side
    50,630.76x = 2,347,163,087.33
  5. Step 5: Solve for x
    x = 2,347,163,087.33/50,630.76
  6. Step 6: Final answer
    x = 46,358.44

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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.