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Finding the Fourth Proportional to 40,536, 60,800.94 and 14,242.50

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Solution

The fourth proportional to 40,536, 60,800.94 and 14,242.50 is: 21,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,536 : 60,800.94 = 14,242.50 : x
  2. Step 2: Convert to fraction form
    40,536/60,800.94 = 14,242.50/x
  3. Step 3: Cross multiply
    40,536x = 60,800.94 × 14,242.50
  4. Step 4: Simplify right side
    40,536x = 865,957,387.95
  5. Step 5: Solve for x
    x = 865,957,387.95/40,536
  6. Step 6: Final answer
    x = 21,362.67

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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.