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Finding the Fourth Proportional to 57,497.80, 79,343.40 and 33,623.05

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Solution

The fourth proportional to 57,497.80, 79,343.40 and 33,623.05 is: 46,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,497.80 : 79,343.40 = 33,623.05 : x
  2. Step 2: Convert to fraction form
    57,497.80/79,343.40 = 33,623.05/x
  3. Step 3: Cross multiply
    57,497.80x = 79,343.40 × 33,623.05
  4. Step 4: Simplify right side
    57,497.80x = 2,667,767,105.37
  5. Step 5: Solve for x
    x = 2,667,767,105.37/57,497.80
  6. Step 6: Final answer
    x = 46,397.72

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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.