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Finding the Fourth Proportional to 49,402.56, 74,103.72 and 12,466.56

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Solution

The fourth proportional to 49,402.56, 74,103.72 and 12,466.56 is: 18,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402.56 : 74,103.72 = 12,466.56 : x
  2. Step 2: Convert to fraction form
    49,402.56/74,103.72 = 12,466.56/x
  3. Step 3: Cross multiply
    49,402.56x = 74,103.72 × 12,466.56
  4. Step 4: Simplify right side
    49,402.56x = 923,818,471.60
  5. Step 5: Solve for x
    x = 923,818,471.60/49,402.56
  6. Step 6: Final answer
    x = 18,699.81

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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.