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Finding the Fourth Proportional to 45,366.84, 68,050.19 and 12,087.02

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Solution

The fourth proportional to 45,366.84, 68,050.19 and 12,087.02 is: 18,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,366.84 : 68,050.19 = 12,087.02 : x
  2. Step 2: Convert to fraction form
    45,366.84/68,050.19 = 12,087.02/x
  3. Step 3: Cross multiply
    45,366.84x = 68,050.19 × 12,087.02
  4. Step 4: Simplify right side
    45,366.84x = 822,524,207.88
  5. Step 5: Solve for x
    x = 822,524,207.88/45,366.84
  6. Step 6: Final answer
    x = 18,130.52

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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.