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Finding the Fourth Proportional to 26,167.99, 39,252.44 and 7,448.51

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Solution

The fourth proportional to 26,167.99, 39,252.44 and 7,448.51 is: 11,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,167.99 : 39,252.44 = 7,448.51 : x
  2. Step 2: Convert to fraction form
    26,167.99/39,252.44 = 7,448.51/x
  3. Step 3: Cross multiply
    26,167.99x = 39,252.44 × 7,448.51
  4. Step 4: Simplify right side
    26,167.99x = 292,371,958.36
  5. Step 5: Solve for x
    x = 292,371,958.36/26,167.99
  6. Step 6: Final answer
    x = 11,172.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.