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Finding the Fourth Proportional to 47,492.37, 71,238.02 and 19,427.49

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Solution

The fourth proportional to 47,492.37, 71,238.02 and 19,427.49 is: 29,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,492.37 : 71,238.02 = 19,427.49 : x
  2. Step 2: Convert to fraction form
    47,492.37/71,238.02 = 19,427.49/x
  3. Step 3: Cross multiply
    47,492.37x = 71,238.02 × 19,427.49
  4. Step 4: Simplify right side
    47,492.37x = 1,383,975,824.03
  5. Step 5: Solve for x
    x = 1,383,975,824.03/47,492.37
  6. Step 6: Final answer
    x = 29,141.01

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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.