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Finding the Fourth Proportional to 34,662.74, 47,834.44 and 19,555.40

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Solution

The fourth proportional to 34,662.74, 47,834.44 and 19,555.40 is: 26,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,662.74 : 47,834.44 = 19,555.40 : x
  2. Step 2: Convert to fraction form
    34,662.74/47,834.44 = 19,555.40/x
  3. Step 3: Cross multiply
    34,662.74x = 47,834.44 × 19,555.40
  4. Step 4: Simplify right side
    34,662.74x = 935,421,607.98
  5. Step 5: Solve for x
    x = 935,421,607.98/34,662.74
  6. Step 6: Final answer
    x = 26,986.37

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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.