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Finding the Fourth Proportional to 67,626.40, 101,439.60 and 36,522.40

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Solution

The fourth proportional to 67,626.40, 101,439.60 and 36,522.40 is: 54,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,626.40 : 101,439.60 = 36,522.40 : x
  2. Step 2: Convert to fraction form
    67,626.40/101,439.60 = 36,522.40/x
  3. Step 3: Cross multiply
    67,626.40x = 101,439.60 × 36,522.40
  4. Step 4: Simplify right side
    67,626.40x = 3,704,817,647.04
  5. Step 5: Solve for x
    x = 3,704,817,647.04/67,626.40
  6. Step 6: Final answer
    x = 54,783.60

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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.