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Finding the Fourth Proportional to 34,057.80, 46,999.80 and 18,951.84

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Solution

The fourth proportional to 34,057.80, 46,999.80 and 18,951.84 is: 26,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,057.80 : 46,999.80 = 18,951.84 : x
  2. Step 2: Convert to fraction form
    34,057.80/46,999.80 = 18,951.84/x
  3. Step 3: Cross multiply
    34,057.80x = 46,999.80 × 18,951.84
  4. Step 4: Simplify right side
    34,057.80x = 890,732,689.63
  5. Step 5: Solve for x
    x = 890,732,689.63/34,057.80
  6. Step 6: Final answer
    x = 26,153.56

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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.