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Finding the Fourth Proportional to 57,813.96, 79,784.82 and 32,662.92

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Solution

The fourth proportional to 57,813.96, 79,784.82 and 32,662.92 is: 45,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,813.96 : 79,784.82 = 32,662.92 : x
  2. Step 2: Convert to fraction form
    57,813.96/79,784.82 = 32,662.92/x
  3. Step 3: Cross multiply
    57,813.96x = 79,784.82 × 32,662.92
  4. Step 4: Simplify right side
    57,813.96x = 2,606,005,192.87
  5. Step 5: Solve for x
    x = 2,606,005,192.87/57,813.96
  6. Step 6: Final answer
    x = 45,075.71

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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.