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Finding the Fourth Proportional to 40,362.68, 60,520.96 and 12,274.44

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Solution

The fourth proportional to 40,362.68, 60,520.96 and 12,274.44 is: 18,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.68 : 60,520.96 = 12,274.44 : x
  2. Step 2: Convert to fraction form
    40,362.68/60,520.96 = 12,274.44/x
  3. Step 3: Cross multiply
    40,362.68x = 60,520.96 × 12,274.44
  4. Step 4: Simplify right side
    40,362.68x = 742,860,892.26
  5. Step 5: Solve for x
    x = 742,860,892.26/40,362.68
  6. Step 6: Final answer
    x = 18,404.65

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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.