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Finding the Fourth Proportional to 18,307.41, 27,448.96 and 6,619.11

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Solution

The fourth proportional to 18,307.41, 27,448.96 and 6,619.11 is: 9,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.41 : 27,448.96 = 6,619.11 : x
  2. Step 2: Convert to fraction form
    18,307.41/27,448.96 = 6,619.11/x
  3. Step 3: Cross multiply
    18,307.41x = 27,448.96 × 6,619.11
  4. Step 4: Simplify right side
    18,307.41x = 181,687,685.63
  5. Step 5: Solve for x
    x = 181,687,685.63/18,307.41
  6. Step 6: Final answer
    x = 9,924.27

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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.