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Finding the Fourth Proportional to 47,092.10, 64,958.30 and 27,958.89

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Solution

The fourth proportional to 47,092.10, 64,958.30 and 27,958.89 is: 38,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,092.10 : 64,958.30 = 27,958.89 : x
  2. Step 2: Convert to fraction form
    47,092.10/64,958.30 = 27,958.89/x
  3. Step 3: Cross multiply
    47,092.10x = 64,958.30 × 27,958.89
  4. Step 4: Simplify right side
    47,092.10x = 1,816,161,824.49
  5. Step 5: Solve for x
    x = 1,816,161,824.49/47,092.10
  6. Step 6: Final answer
    x = 38,566.17

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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.