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Finding the Fourth Proportional to 67,246.94, 100,870.38 and 22,256.21

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Solution

The fourth proportional to 67,246.94, 100,870.38 and 22,256.21 is: 33,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.94 : 100,870.38 = 22,256.21 : x
  2. Step 2: Convert to fraction form
    67,246.94/100,870.38 = 22,256.21/x
  3. Step 3: Cross multiply
    67,246.94x = 100,870.38 × 22,256.21
  4. Step 4: Simplify right side
    67,246.94x = 2,244,991,855.71
  5. Step 5: Solve for x
    x = 2,244,991,855.71/67,246.94
  6. Step 6: Final answer
    x = 33,384.30

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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.