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Finding the Fourth Proportional to 50,708.92, 75,932.16 and 45,066.64

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Solution

The fourth proportional to 50,708.92, 75,932.16 and 45,066.64 is: 67,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,708.92 : 75,932.16 = 45,066.64 : x
  2. Step 2: Convert to fraction form
    50,708.92/75,932.16 = 45,066.64/x
  3. Step 3: Cross multiply
    50,708.92x = 75,932.16 × 45,066.64
  4. Step 4: Simplify right side
    50,708.92x = 3,422,007,319.14
  5. Step 5: Solve for x
    x = 3,422,007,319.14/50,708.92
  6. Step 6: Final answer
    x = 67,483.34

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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.