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Finding the Fourth Proportional to 34,670.94, 47,845.89 and 18,755.40

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Solution

The fourth proportional to 34,670.94, 47,845.89 and 18,755.40 is: 25,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670.94 : 47,845.89 = 18,755.40 : x
  2. Step 2: Convert to fraction form
    34,670.94/47,845.89 = 18,755.40/x
  3. Step 3: Cross multiply
    34,670.94x = 47,845.89 × 18,755.40
  4. Step 4: Simplify right side
    34,670.94x = 897,368,805.31
  5. Step 5: Solve for x
    x = 897,368,805.31/34,670.94
  6. Step 6: Final answer
    x = 25,882.45

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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.