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Finding the Fourth Proportional to 37,797.30, 52,160.76 and 20,803.50

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Solution

The fourth proportional to 37,797.30, 52,160.76 and 20,803.50 is: 28,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,797.30 : 52,160.76 = 20,803.50 : x
  2. Step 2: Convert to fraction form
    37,797.30/52,160.76 = 20,803.50/x
  3. Step 3: Cross multiply
    37,797.30x = 52,160.76 × 20,803.50
  4. Step 4: Simplify right side
    37,797.30x = 1,085,126,370.66
  5. Step 5: Solve for x
    x = 1,085,126,370.66/37,797.30
  6. Step 6: Final answer
    x = 28,709.10

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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.