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Finding the Fourth Proportional to 40,369.50, 60,566.58 and 20,662.02

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Solution

The fourth proportional to 40,369.50, 60,566.58 and 20,662.02 is: 30,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.50 : 60,566.58 = 20,662.02 : x
  2. Step 2: Convert to fraction form
    40,369.50/60,566.58 = 20,662.02/x
  3. Step 3: Cross multiply
    40,369.50x = 60,566.58 × 20,662.02
  4. Step 4: Simplify right side
    40,369.50x = 1,251,427,887.29
  5. Step 5: Solve for x
    x = 1,251,427,887.29/40,369.50
  6. Step 6: Final answer
    x = 30,999.34

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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.