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Finding the Fourth Proportional to 40,354.98, 60,531.84 and 18,152.67

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Solution

The fourth proportional to 40,354.98, 60,531.84 and 18,152.67 is: 27,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.98 : 60,531.84 = 18,152.67 : x
  2. Step 2: Convert to fraction form
    40,354.98/60,531.84 = 18,152.67/x
  3. Step 3: Cross multiply
    40,354.98x = 60,531.84 × 18,152.67
  4. Step 4: Simplify right side
    40,354.98x = 1,098,814,516.01
  5. Step 5: Solve for x
    x = 1,098,814,516.01/40,354.98
  6. Step 6: Final answer
    x = 27,228.72

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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.