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Finding the Fourth Proportional to 45,168.99, 67,729.04 and 35,868.84

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Solution

The fourth proportional to 45,168.99, 67,729.04 and 35,868.84 is: 53,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168.99 : 67,729.04 = 35,868.84 : x
  2. Step 2: Convert to fraction form
    45,168.99/67,729.04 = 35,868.84/x
  3. Step 3: Cross multiply
    45,168.99x = 67,729.04 × 35,868.84
  4. Step 4: Simplify right side
    45,168.99x = 2,429,361,919.77
  5. Step 5: Solve for x
    x = 2,429,361,919.77/45,168.99
  6. Step 6: Final answer
    x = 53,783.84

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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.