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Finding the Fourth Proportional to 57,715.50, 79,692.48 and 44,265.45

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Solution

The fourth proportional to 57,715.50, 79,692.48 and 44,265.45 is: 61,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,715.50 : 79,692.48 = 44,265.45 : x
  2. Step 2: Convert to fraction form
    57,715.50/79,692.48 = 44,265.45/x
  3. Step 3: Cross multiply
    57,715.50x = 79,692.48 × 44,265.45
  4. Step 4: Simplify right side
    57,715.50x = 3,527,623,267.49
  5. Step 5: Solve for x
    x = 3,527,623,267.49/57,715.50
  6. Step 6: Final answer
    x = 61,120.90

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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.