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Finding the Fourth Proportional to 64,461.80, 96,692.70 and 44,778.80

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Solution

The fourth proportional to 64,461.80, 96,692.70 and 44,778.80 is: 67,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.80 : 96,692.70 = 44,778.80 : x
  2. Step 2: Convert to fraction form
    64,461.80/96,692.70 = 44,778.80/x
  3. Step 3: Cross multiply
    64,461.80x = 96,692.70 × 44,778.80
  4. Step 4: Simplify right side
    64,461.80x = 4,329,783,074.76
  5. Step 5: Solve for x
    x = 4,329,783,074.76/64,461.80
  6. Step 6: Final answer
    x = 67,168.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.