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Finding the Fourth Proportional to 47,469, 71,156.92 and 26,419.12

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Solution

The fourth proportional to 47,469, 71,156.92 and 26,419.12 is: 39,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,469 : 71,156.92 = 26,419.12 : x
  2. Step 2: Convert to fraction form
    47,469/71,156.92 = 26,419.12/x
  3. Step 3: Cross multiply
    47,469x = 71,156.92 × 26,419.12
  4. Step 4: Simplify right side
    47,469x = 1,879,903,208.31
  5. Step 5: Solve for x
    x = 1,879,903,208.31/47,469
  6. Step 6: Final answer
    x = 39,602.76

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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.