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Finding the Fourth Proportional to 57,645.04, 79,562.52 and 36,410.80

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Solution

The fourth proportional to 57,645.04, 79,562.52 and 36,410.80 is: 50,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.04 : 79,562.52 = 36,410.80 : x
  2. Step 2: Convert to fraction form
    57,645.04/79,562.52 = 36,410.80/x
  3. Step 3: Cross multiply
    57,645.04x = 79,562.52 × 36,410.80
  4. Step 4: Simplify right side
    57,645.04x = 2,896,935,003.22
  5. Step 5: Solve for x
    x = 2,896,935,003.22/57,645.04
  6. Step 6: Final answer
    x = 50,254.71

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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.