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Finding the Fourth Proportional to 34,556.99, 47,691.06 and 19,451.10

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Solution

The fourth proportional to 34,556.99, 47,691.06 and 19,451.10 is: 26,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,556.99 : 47,691.06 = 19,451.10 : x
  2. Step 2: Convert to fraction form
    34,556.99/47,691.06 = 19,451.10/x
  3. Step 3: Cross multiply
    34,556.99x = 47,691.06 × 19,451.10
  4. Step 4: Simplify right side
    34,556.99x = 927,643,577.17
  5. Step 5: Solve for x
    x = 927,643,577.17/34,556.99
  6. Step 6: Final answer
    x = 26,843.88

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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.