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Finding the Fourth Proportional to 56,157.28, 77,464.56 and 36,285.28

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Solution

The fourth proportional to 56,157.28, 77,464.56 and 36,285.28 is: 50,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,157.28 : 77,464.56 = 36,285.28 : x
  2. Step 2: Convert to fraction form
    56,157.28/77,464.56 = 36,285.28/x
  3. Step 3: Cross multiply
    56,157.28x = 77,464.56 × 36,285.28
  4. Step 4: Simplify right side
    56,157.28x = 2,810,823,249.68
  5. Step 5: Solve for x
    x = 2,810,823,249.68/56,157.28
  6. Step 6: Final answer
    x = 50,052.70

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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.