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Finding the Fourth Proportional to 34,141.50, 47,121.75 and 19,237.50

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Solution

The fourth proportional to 34,141.50, 47,121.75 and 19,237.50 is: 26,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,141.50 : 47,121.75 = 19,237.50 : x
  2. Step 2: Convert to fraction form
    34,141.50/47,121.75 = 19,237.50/x
  3. Step 3: Cross multiply
    34,141.50x = 47,121.75 × 19,237.50
  4. Step 4: Simplify right side
    34,141.50x = 906,504,665.63
  5. Step 5: Solve for x
    x = 906,504,665.63/34,141.50
  6. Step 6: Final answer
    x = 26,551.40

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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.