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Finding the Fourth Proportional to 37,353.50, 51,551.07 and 20,589.74

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Solution

The fourth proportional to 37,353.50, 51,551.07 and 20,589.74 is: 28,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,353.50 : 51,551.07 = 20,589.74 : x
  2. Step 2: Convert to fraction form
    37,353.50/51,551.07 = 20,589.74/x
  3. Step 3: Cross multiply
    37,353.50x = 51,551.07 × 20,589.74
  4. Step 4: Simplify right side
    37,353.50x = 1,061,423,128.02
  5. Step 5: Solve for x
    x = 1,061,423,128.02/37,353.50
  6. Step 6: Final answer
    x = 28,415.63

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Double scale
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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.