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Finding the Fourth Proportional to 37,840.88, 52,222.03 and 21,073.88

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Solution

The fourth proportional to 37,840.88, 52,222.03 and 21,073.88 is: 29,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,840.88 : 52,222.03 = 21,073.88 : x
  2. Step 2: Convert to fraction form
    37,840.88/52,222.03 = 21,073.88/x
  3. Step 3: Cross multiply
    37,840.88x = 52,222.03 × 21,073.88
  4. Step 4: Simplify right side
    37,840.88x = 1,100,520,479.78
  5. Step 5: Solve for x
    x = 1,100,520,479.78/37,840.88
  6. Step 6: Final answer
    x = 29,082.85

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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.