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Finding the Fourth Proportional to 40,120.40, 60,223.80 and 22,624.40

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Solution

The fourth proportional to 40,120.40, 60,223.80 and 22,624.40 is: 33,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.40 : 60,223.80 = 22,624.40 : x
  2. Step 2: Convert to fraction form
    40,120.40/60,223.80 = 22,624.40/x
  3. Step 3: Cross multiply
    40,120.40x = 60,223.80 × 22,624.40
  4. Step 4: Simplify right side
    40,120.40x = 1,362,527,340.72
  5. Step 5: Solve for x
    x = 1,362,527,340.72/40,120.40
  6. Step 6: Final answer
    x = 33,960.96

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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.