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Finding the Fourth Proportional to 57,692.79, 79,616.79 and 33,813.45

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Solution

The fourth proportional to 57,692.79, 79,616.79 and 33,813.45 is: 46,662.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.79 : 79,616.79 = 33,813.45 : x
  2. Step 2: Convert to fraction form
    57,692.79/79,616.79 = 33,813.45/x
  3. Step 3: Cross multiply
    57,692.79x = 79,616.79 × 33,813.45
  4. Step 4: Simplify right side
    57,692.79x = 2,692,118,347.83
  5. Step 5: Solve for x
    x = 2,692,118,347.83/57,692.79
  6. Step 6: Final answer
    x = 46,662.99

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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.