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Finding the Fourth Proportional to 34,354.40, 47,406.06 and 19,245.06

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Solution

The fourth proportional to 34,354.40, 47,406.06 and 19,245.06 is: 26,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,354.40 : 47,406.06 = 19,245.06 : x
  2. Step 2: Convert to fraction form
    34,354.40/47,406.06 = 19,245.06/x
  3. Step 3: Cross multiply
    34,354.40x = 47,406.06 × 19,245.06
  4. Step 4: Simplify right side
    34,354.40x = 912,332,469.06
  5. Step 5: Solve for x
    x = 912,332,469.06/34,354.40
  6. Step 6: Final answer
    x = 26,556.50

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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.