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Finding the Fourth Proportional to 67,065, 92,551.68 and 36,852.20

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Solution

The fourth proportional to 67,065, 92,551.68 and 36,852.20 is: 50,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,065 : 92,551.68 = 36,852.20 : x
  2. Step 2: Convert to fraction form
    67,065/92,551.68 = 36,852.20/x
  3. Step 3: Cross multiply
    67,065x = 92,551.68 × 36,852.20
  4. Step 4: Simplify right side
    67,065x = 3,410,733,021.70
  5. Step 5: Solve for x
    x = 3,410,733,021.70/67,065
  6. Step 6: Final answer
    x = 50,857.12

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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.