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Finding the Fourth Proportional to 34,760.99, 47,952.50 and 21,992.64

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Solution

The fourth proportional to 34,760.99, 47,952.50 and 21,992.64 is: 30,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,760.99 : 47,952.50 = 21,992.64 : x
  2. Step 2: Convert to fraction form
    34,760.99/47,952.50 = 21,992.64/x
  3. Step 3: Cross multiply
    34,760.99x = 47,952.50 × 21,992.64
  4. Step 4: Simplify right side
    34,760.99x = 1,054,601,959.64
  5. Step 5: Solve for x
    x = 1,054,601,959.64/34,760.99
  6. Step 6: Final answer
    x = 30,338.67

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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.