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Finding the Fourth Proportional to 40,000.50, 55,200.69 and 22,336.50

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Solution

The fourth proportional to 40,000.50, 55,200.69 and 22,336.50 is: 30,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000.50 : 55,200.69 = 22,336.50 : x
  2. Step 2: Convert to fraction form
    40,000.50/55,200.69 = 22,336.50/x
  3. Step 3: Cross multiply
    40,000.50x = 55,200.69 × 22,336.50
  4. Step 4: Simplify right side
    40,000.50x = 1,232,990,212.19
  5. Step 5: Solve for x
    x = 1,232,990,212.19/40,000.50
  6. Step 6: Final answer
    x = 30,824.37

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Double scale
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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.