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Finding the Fourth Proportional to 37,880.70, 52,274.00 and 20,652.71

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Solution

The fourth proportional to 37,880.70, 52,274.00 and 20,652.71 is: 28,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,880.70 : 52,274.00 = 20,652.71 : x
  2. Step 2: Convert to fraction form
    37,880.70/52,274.00 = 20,652.71/x
  3. Step 3: Cross multiply
    37,880.70x = 52,274.00 × 20,652.71
  4. Step 4: Simplify right side
    37,880.70x = 1,079,599,397.91
  5. Step 5: Solve for x
    x = 1,079,599,397.91/37,880.70
  6. Step 6: Final answer
    x = 28,499.99

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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.