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Finding the Fourth Proportional to 67,440.70, 101,039.55 and 32,302.90

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Solution

The fourth proportional to 67,440.70, 101,039.55 and 32,302.90 is: 48,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,440.70 : 101,039.55 = 32,302.90 : x
  2. Step 2: Convert to fraction form
    67,440.70/101,039.55 = 32,302.90/x
  3. Step 3: Cross multiply
    67,440.70x = 101,039.55 × 32,302.90
  4. Step 4: Simplify right side
    67,440.70x = 3,263,870,479.70
  5. Step 5: Solve for x
    x = 3,263,870,479.70/67,440.70
  6. Step 6: Final answer
    x = 48,396.15

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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.