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Finding the Fourth Proportional to 12,958.99, 17,884.92 and 7,293.94

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Solution

The fourth proportional to 12,958.99, 17,884.92 and 7,293.94 is: 10,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.99 : 17,884.92 = 7,293.94 : x
  2. Step 2: Convert to fraction form
    12,958.99/17,884.92 = 7,293.94/x
  3. Step 3: Cross multiply
    12,958.99x = 17,884.92 × 7,293.94
  4. Step 4: Simplify right side
    12,958.99x = 130,451,533.38
  5. Step 5: Solve for x
    x = 130,451,533.38/12,958.99
  6. Step 6: Final answer
    x = 10,066.49

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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.