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Finding the Fourth Proportional to 45,041.94, 67,620.30 and 36,738.12

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Solution

The fourth proportional to 45,041.94, 67,620.30 and 36,738.12 is: 55,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,041.94 : 67,620.30 = 36,738.12 : x
  2. Step 2: Convert to fraction form
    45,041.94/67,620.30 = 36,738.12/x
  3. Step 3: Cross multiply
    45,041.94x = 67,620.30 × 36,738.12
  4. Step 4: Simplify right side
    45,041.94x = 2,484,242,695.84
  5. Step 5: Solve for x
    x = 2,484,242,695.84/45,041.94
  6. Step 6: Final answer
    x = 55,153.99

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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.