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Finding the Fourth Proportional to 51,396.56, 70,939.12 and 33,460.32

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Solution

The fourth proportional to 51,396.56, 70,939.12 and 33,460.32 is: 46,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,396.56 : 70,939.12 = 33,460.32 : x
  2. Step 2: Convert to fraction form
    51,396.56/70,939.12 = 33,460.32/x
  3. Step 3: Cross multiply
    51,396.56x = 70,939.12 × 33,460.32
  4. Step 4: Simplify right side
    51,396.56x = 2,373,645,655.72
  5. Step 5: Solve for x
    x = 2,373,645,655.72/51,396.56
  6. Step 6: Final answer
    x = 46,182.97

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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.