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Finding the Fourth Proportional to 37,330.98, 51,516.74 and 20,563.98

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Solution

The fourth proportional to 37,330.98, 51,516.74 and 20,563.98 is: 28,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,330.98 : 51,516.74 = 20,563.98 : x
  2. Step 2: Convert to fraction form
    37,330.98/51,516.74 = 20,563.98/x
  3. Step 3: Cross multiply
    37,330.98x = 51,516.74 × 20,563.98
  4. Step 4: Simplify right side
    37,330.98x = 1,059,389,211.03
  5. Step 5: Solve for x
    x = 1,059,389,211.03/37,330.98
  6. Step 6: Final answer
    x = 28,378.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.