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Finding the Fourth Proportional to 18,448.00, 27,699.68 and 10,559.43

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Solution

The fourth proportional to 18,448.00, 27,699.68 and 10,559.43 is: 15,854.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.00 : 27,699.68 = 10,559.43 : x
  2. Step 2: Convert to fraction form
    18,448.00/27,699.68 = 10,559.43/x
  3. Step 3: Cross multiply
    18,448.00x = 27,699.68 × 10,559.43
  4. Step 4: Simplify right side
    18,448.00x = 292,492,858.38
  5. Step 5: Solve for x
    x = 292,492,858.38/18,448.00
  6. Step 6: Final answer
    x = 15,854.99

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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.