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Finding the Fourth Proportional to 37,689.70, 56,535.01 and 9,609.74

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Solution

The fourth proportional to 37,689.70, 56,535.01 and 9,609.74 is: 14,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689.70 : 56,535.01 = 9,609.74 : x
  2. Step 2: Convert to fraction form
    37,689.70/56,535.01 = 9,609.74/x
  3. Step 3: Cross multiply
    37,689.70x = 56,535.01 × 9,609.74
  4. Step 4: Simplify right side
    37,689.70x = 543,286,747.00
  5. Step 5: Solve for x
    x = 543,286,747.00/37,689.70
  6. Step 6: Final answer
    x = 14,414.73

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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.