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Finding the Fourth Proportional to 57,805.52, 79,777.31 and 33,931.64

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Solution

The fourth proportional to 57,805.52, 79,777.31 and 33,931.64 is: 46,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,805.52 : 79,777.31 = 33,931.64 : x
  2. Step 2: Convert to fraction form
    57,805.52/79,777.31 = 33,931.64/x
  3. Step 3: Cross multiply
    57,805.52x = 79,777.31 × 33,931.64
  4. Step 4: Simplify right side
    57,805.52x = 2,706,974,992.87
  5. Step 5: Solve for x
    x = 2,706,974,992.87/57,805.52
  6. Step 6: Final answer
    x = 46,829.01

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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.