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Finding the Fourth Proportional to 57,262.72, 79,022.67 and 31,769.08

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Solution

The fourth proportional to 57,262.72, 79,022.67 and 31,769.08 is: 43,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,262.72 : 79,022.67 = 31,769.08 : x
  2. Step 2: Convert to fraction form
    57,262.72/79,022.67 = 31,769.08/x
  3. Step 3: Cross multiply
    57,262.72x = 79,022.67 × 31,769.08
  4. Step 4: Simplify right side
    57,262.72x = 2,510,477,525.04
  5. Step 5: Solve for x
    x = 2,510,477,525.04/57,262.72
  6. Step 6: Final answer
    x = 43,841.39

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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.