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Finding the Fourth Proportional to 57,773.99, 79,728.64 and 33,901.07

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Solution

The fourth proportional to 57,773.99, 79,728.64 and 33,901.07 is: 46,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,773.99 : 79,728.64 = 33,901.07 : x
  2. Step 2: Convert to fraction form
    57,773.99/79,728.64 = 33,901.07/x
  3. Step 3: Cross multiply
    57,773.99x = 79,728.64 × 33,901.07
  4. Step 4: Simplify right side
    57,773.99x = 2,702,885,722.25
  5. Step 5: Solve for x
    x = 2,702,885,722.25/57,773.99
  6. Step 6: Final answer
    x = 46,783.78

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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.