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Finding the Fourth Proportional to 63,972.54, 95,958 and 28,887.66

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Solution

The fourth proportional to 63,972.54, 95,958 and 28,887.66 is: 43,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,972.54 : 95,958 = 28,887.66 : x
  2. Step 2: Convert to fraction form
    63,972.54/95,958 = 28,887.66/x
  3. Step 3: Cross multiply
    63,972.54x = 95,958 × 28,887.66
  4. Step 4: Simplify right side
    63,972.54x = 2,772,002,078.28
  5. Step 5: Solve for x
    x = 2,772,002,078.28/63,972.54
  6. Step 6: Final answer
    x = 43,331.12

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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.